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Memorandum

Material Safety Data Sheet
Product name: Dimethyl carbonate Revision date: 05/17/2010
SHANDONG WELLS CHEMICALS CO., LTD. Printing date: 05/20/2010

SECTION 1: PRODUCT AND COMPANY IDENTIFICATION
Product identifier
Dimethyl carbonate Methyl carbonate; DMC Recommended use of the chemical and restrictions on use
Relevant identified uses: DMC is a perfect methylating agent, carbonylating agent, methoxylating agent and methyloaring agent with active chemical properties. It can be used into produce polypropylene carbonate. In pharmaceutical and pesticide, It can be used into produce ciprofloxacin and carbadox. Also it is an indispensable raw material to produce lithium battery electrolyte. It is acting as a good sovent for coating, paints, ink and adhesive. Uses advised against: No data available. Details of the supplier of the product
Shandong Wells Chemicals Co., Ltd. Xishui Industrial Zone, Guangrao County, Dongying City, Shandong Province, China info@wellschem.com.cn http//www.cnwells.cn Emergency telephone number
+86-546-6501666 (Only office hours available.) SECTION 2: HAZARDS IDENTIFICATION
GHS classification of the substance/mixture
Hazard classes and Hazard categories:
Hazard Statement code(s)
Flammable liquids, Category 2 Additional information
Full text of H-statement(s): see section 16. GHS label elements
Substances:
Dimethyl carbonate Hazard pictograms:
Signal word:
Hazard statements:
H225 Highly flammable liquid and vapour. Precautionary Statements:
Prevention:
P210 Keep away from heat/sparks/open flames/hot surfaces.-No smoking. P233 Keep away from any possible contact with water, because of violent reaction and possible flash fire. P240 Ground/bond container and receiving equipment. P243 Take precautionary measures against static discharge. P280 Wear protective gloves/protective clothing/eye protection/face protection. Response:
P303 + P361 + P353 If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P370 + P378 In case of fire: Use dry chemical powder, water spray or fog for extinction. Storage:
P403 + P235 Store in a well-ventilated place. Keep cool. -- Page 1 / 7 --
Material Safety Data Sheet
Product name: Dimethyl carbonate Revision date: 05/17/2010
SHANDONG WELLS CHEMICALS CO., LTD. Printing date: 05/20/2010

Disposal:
P501 Dispose of contents/container in accordance with local/regional/national/international regulations. Other Hazards:
SECTION 3: COMPOSITION/INFORMATION ON INGREDIENTS
Ingredients information
Chemical Name
EC No.
CAS No.
Classification according to GHS
Methyl carbonate; Flammable liquids, Category 2; Additional information
Full text of H-statement(s): see section 16. The rest unspecified ingredients are impurities, and they are not hazard. SECTION 4: FIRST AID MEASURES
Description of first aid measures
In case of eye contact:
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. In case of inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. In case of skin contact:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. In case of ingestion:
If victim is conscious and alert, give 2-4 cup fuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. Symptoms and effects, acute and delayed
Potential health symptoms and effects
Redness. May cause mild eye irritation. May cause mild skin irritation. Not expected to cause an allergic skin reaction. A single prolonged skin exposure is not likely to result in the material being absorbed in harmful amounts. May cause irritation of the digestive tract. May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. May cause drowsiness, unconsciousness, and central nervous system depression. Vapors may cause dizziness or suffocation. No information found. Immediate medical attention and special treatment
Consult a physician. Treat symptomatically and supportively. SECTION 5: FIRE-FIGHTING MEASURES
Extinguishing media
Suitable extinguishing media:
For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam. Use water spray to cool fire-exposed containers. Water may be ineffective. For large fires, use dry chemical, carbon dioxide, alcohol-resistant foam, or water spray. Unsuitable extinguishing media:
Do not use straight streams of water. -- Page 2 / 7 --
Material Safety Data Sheet
Product name: Dimethyl carbonate Revision date: 05/17/2010
SHANDONG WELLS CHEMICALS CO., LTD. Printing date: 05/20/2010

Special hazards arising from the substance or mixture
Extremely flammable liquid and vapor. Pay attention to flashback. Containers may explode in the heat of a fire. Vapours are heavier than air and may spread along floors, can spread along the ground and collect in low or confined areas. Vapors may form an explosive mixture with air. Vapors can travel to a source of ignition and flash back. Hazardous combustion products: carbon monoxide carbon dioxide. Special protective equipment and precautions for firefighters
As in any fire, wear a self-contained breathing apparatus in pressure-demand, and full protective gear. Use water spray to keep fire-exposed containers cool. SECTION 6: ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Remove all sources of ignition. Evacuate personnel to safe areas. Beware of vapours accumulating to form explosive concentrations. Use proper personal protective equipment as indicated in Section 8. Environmental precautions
Shall not handle chemicals without emissions to the environment. Methods and material for containment and cleaning up
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Remove all sources of ignition. Use a spark-proof tool. A vapor suppressing foam may be used to reduce vapors. Water spray may reduce vapor but may not prevent ignition in closed spaces. Reference to other sections
See Section 7 for information on safe handling. See Section 8 for information on personal protection equipment. See Section 13 for information on disposal. SECTION 7: HANDLING AND STORAGE
Precautions for safe handling
Wash thoroughly after handling. Use only in a well-ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Keep container tightly closed. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Take precautionary measures against static discharges. Ground and bond containers when transferring material. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Conditions for safe storage
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. SECTION 8 : EXPOSURE CONTROLS/PERSONAL PROTECTION
Control parameters
Exposure limit values:
No exposure limit values established by ACGIH, NIOSH, and OSHA. Appropriate engineering controls
Provide exhaust ventilation or other engineering controls to keep the airborne concentrations of vapors below their respective threshold limit value. Ensure that eyewash stations and safety showers are proximal to the work-station location. Use adequate general or local explosion-proof ventilation to keep airborne levels to acceptable levels. Individual protection measures - personal protective equipment
Eye/face protection: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. -- Page 3 / 7 --
Material Safety Data Sheet
Product name: Dimethyl carbonate Revision date: 05/17/2010
SHANDONG WELLS CHEMICALS CO., LTD. Printing date: 05/20/2010

Skin protection: Wear appropriate protective gloves and clothing to prevent skin exposure. Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Environmental exposure controls
Do not allow material to be released to the environment without the proper governmental permits. SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES
Information on basic physical and chemical properties
Molecular formula: Molecular weight: No data available. Vapour pressure: 53 hPa, at 20 °C Water solubility: Partition coefficient, n-octanol/water: Auto-ignition temperature: Explosive properties: 4.22 vol.% 12.87 vol.% Decomposition temperature: No data available. Additional information
SECTION 10: STABILITY AND REACTIVITY
Chemical stability
Stable under recommended storage conditions. Possibility of hazardous reactions
Reacts violently with oxidants and potassium tert-butoxide causing fire hazard. The substance decomposes on burning producing irritating fumes. Conditions to avoid
Incompatible materials, ignition sources, excess heat, flames and sparks. Incompatible materials
Strong oxidizing agents, potassium tert-butoxide. Hazardous decomposition products
Hazardous decomposition products formed under fire conditions. - Carbon monoxide, Carbon oxides. SECTION 11: TOXICOLOGICAL INFORMATION
Information on the likely routes of exposure
Acute toxicity:
Acute oral toxicity: LD50 = 13000 mg/kg (rat) (HSDB); Acute oral toxicity: LD50 = 6000 mg/kg (mouse); Acute inhalation toxicity: LC50 > 140 mg/l/4h (rat) (IUCLID); Acute dermal toxicity: LD50 > 5000 mg/kg (rabbit) (IUCLID); -- Page 4 / 7 --
Material Safety Data Sheet
Product name: Dimethyl carbonate Revision date: 05/17/2010
SHANDONG WELLS CHEMICALS CO., LTD. Printing date: 05/20/2010

Skin corrosion/irritation:
Skin, rabbit: not irritating (IUCLID); Serious eye damage/irritation:
Eyes, rabbit: slightly irritating (IUCLID); Respiratory or skin sensitization:
No sensitizing effects known. Additional Information:
RTECS #: FG0450000 Delayed and immediate effects/chronic effects
Chronic effects: on humans, may cause damage to the following organs: central nervous system (CNS). CMR effects (Carcinogenicity, Mutagenicity and Toxicity for Reproduction)
Carcinogenicity: Not listed by ACGIH, IARC, or NTP. Mutagenicity (mammal cell test): chromosome aberration. Result: negative. SECTION 12: ECOLOGICAL INFORMATION
Acute toxicity
Effect dose
Exposure time
Acute fish toxicity: LC50 = 1000 mg/l Leuciscus idus (Golden orfe) Acute daphnia toxicity: Quantitative data on the ecological toxicity of this product are not available. Acute bacteria toxicity: Quantitative data on the ecological toxicity of this product are not available. Persistence and degradability
Biodegradability: 88 %, 28 d (OECD 301 C) Result: Readily biodegradable. Bioaccumulative potential
No appreciable bioaccumulation potential is to be expected (log Pow <1). Mobility in soil
Based on best current information, there is no data components known associated with this product. Other adverse effects
Do not allow to enter waters, waste water, or soil! SECTION 13: DISPOSAL CONSIDERATIONS
Waste treatment methods
Burn in a chemical incinerator equipped with an afterburner and scrubber but exert extra care in igniting as this material is highly flammable. Observe all federal, state, and local environmental regulations. Contact a licensed professional waste disposal service to dispose of this material. Additional information
A small amount of leakage: the sand, vermiculite or other inert materials to absorb. Open the collection to the place of burial, evaporation, or incineration. Substantial leak: to build a dike or trench to accept; foam coverage, lower vapor disasters. Ex pump used to transfer tankers or exclusive collector, the recovery or treatment to the waste disposal sites. SECTION 14: TRANSPORT INFORMATION
Land transport (ADR/RID)
Official transport designation: DIMETHYL CARBONATE Classification code: -- Page 5 / 7 --
Material Safety Data Sheet
Product name: Dimethyl carbonate Revision date: 05/17/2010
SHANDONG WELLS CHEMICALS CO., LTD. Printing date: 05/20/2010

Sea transport (IMDG-Code)
Proper Shipping Name: DIMETHYL CARBONATE Marine pollutant: Air transport (ICAO-TI/IATA-DGR)
Proper Shipping Name: DIMETHYL CARBONATE Additional information
SECTION 15: REGULATORY INFORMATION
US federal and state regulations
CAS# 616-38-6 is listed on the TSCA Inventory. SARA Title III: Section 302(Extremely Hazardous Substances): None of the chemicals in this product have a TPQ. Section 313: No chemicals are reportable under Section 313. California Prop 65: None of the chemicals in this product are listed. Connecticut hazardous CAS# 616-38-6 in this product is listed. material survey: Pennsylvania RTK: CAS# 616-38-6 in this product is listed. CAS# 616-38-6 in this product is listed. Massachusetts RTK: CAS# 616-38-6 in this product is listed. New Jersey: CAS# 616-38-6 in this product is listed. HMIS (U.S.A.)
Health Hazard: Fire Hazard: Reactivity Personal Protection: National fire protection association (U.S.A.)
Flammability: Reactivity: Specific hazard: European union regulations
CAS# 616-38-6 is listed on the Inventory CAS# 616-38-6 is listed on the DSD Inventory Classification: Labelling: F: Highly flammable. R11 Highly flammable. S9 Keep container in a well-ventilated place. S16 Keep away from sources of ignition - No smoking. -- Page 6 / 7 --
Material Safety Data Sheet
Product name: Dimethyl carbonate Revision date: 05/17/2010
SHANDONG WELLS CHEMICALS CO., LTD. Printing date: 05/20/2010

China regulation
CAS# 616-38-6 is listed on the IECSC inventory. Hazardous Chemicals Class: International regulations
Canada - DSL: CAS# 616-38-6 is listed on the Inventory. WHMIS (Canada): CLASS B-2: Flammable liquid with a flash point lower than 37.8°C (100°F). Other chemical inventories
Australia AICS: CAS# 616-38-6 is listed on the Inventory. New Zealand: CAS# 616-38-6 is listed on the Inventory. Japan ENCS (MITI): CAS# 616-38-6 is listed on the Inventory. Korea ECL: CAS# 616-38-6 is listed on the Inventory. SECTION 16: OTHER INFORMATION
Relevant H-statement(s)
H225 Highly flammable liquid and vapour. Revision information
Date of previous revision: Not applicable. Date of this revision: 05/17/2010 Revision summary: New MSDS Abbreviations and acronyms
Globally Harmonized System of Classification and Labelling of Chemicals. Chemical Abstracts Service (division of the American Chemical Society). European Inventory of Existing Commercial Chemical Substances. European Rail Transport. International Maritime Code for Dangerous Goods. International Air Transport Association. The United States Occupational Safety and Health Administration. Toxic Substances Control Act, The American chemical inventory. Hazardous Materials Identification System set by OSHA Dangerous Substance Directive (67/548/EEC)/Dangerous Preparation Directive (1999/45/EC). Inventory of existing chemical substances in China. The Harmonized Commodity Description and Coding System by World Customs Organization. Domestic Substances List, The Canadian chemical inventory. Workplace Hazardous Materials Information System on Health Canada's Web site. The Australian Inventory of Chemical Substances. Existing Chemicals List, the Korean chemical inventory. Japanese Existing and New Chemical Substances Declare to reader
The information in this Material Safety Data Sheet (MSDS) was obtained from sources which we believe are reliable. However, the information is provided without any warranty, express or implied, regarding its correctness. The conditions or methods of handling, storage, use or disposal of the product are beyond our control and may be beyond our knowledge. For this and other reasons, we do not assume responsibility and expressly disclaim liability for loss, damage or expense arising out of or in any way connected with the handling, storage, use or disposal of the product. This MSDS was prepared and is to be used only for this product. If the product is used as a component in another product, this MSDS information may not be applicable. ----------------------------------------------- End of the MSDS----------------------------------------------- -- Page 7 / 7 --

Source: http://www.cnwells.cn/uploadfiles/other/2010071218103365433717.pdf

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