SHANGHAI PI CHEMICALS LTD.
Material Safety Data Sheet
Section 1 鈥? Chemical Product and Company Identification
MSDS Name: 2-Butynedioic acid
Synonyms: 2-Butyne-1,4-dioic acid
Company Identification: Shanghai PI Chemicals Ltd.
Room 6-306, Building 2
1341 Pudong South Road
Pudong New Area, Shanghai 200212, China
Telephone Number: 86-21-51389368
Fax Number: 86-21-51389367
Emergency Number: 86-21-51389369
Section 2 鈥? Product Information
Catalog Number: PI-29135
CAS #: 142-45-0
MDL #: MFCD00004362
Purity: 98.0%
EINECS# 205-536-0
Section 3 鈥? Physical and Chemical Properties
Physical state: Crystalline powder
Color: Cream
Odor: Not available
Molecular Formula: C4H2O4
Molecular Weight: 114.06
Freezing/Melting Point: 181-187掳C
Boiling Point: Not available
Flash Point: 131掳C
Autoignition Temperature: Not available
Refractive Index (nD20): Not available
Density: Not available
Decomposition Temperature: Not available
Solubility: Soluble in water, ethanol and ether.
Section 4 鈥? Hazards Identification
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SHANGHAI PI CHEMICALS LTD.
Eye: Causes eye irritation.
Skin: Causes skin irritation. Harmful if absorbed through the skin.
Ingestion: May cause irritation of the digestive tract. Toxic if swallowed.
Inhalation: May be harmful if inhaled. Causes respiratory tract irritation.
Section 5 鈥? First Aid Measures
Eye: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower
eyelids. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of water and soap for at least 15 minutes while
removing contaminated clothing and shoes. Get medical aid if irritation develops and persists.
Ingestion: Get medical aid immediately. Wash mouth out with water.
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen. Get medical aid.
Section 6 鈥? Stability and Reactivity
Chemical Stability: Stable under normal temperatures and pressures.
Materials to avoid: Strong oxidizing agents, reducing agents, bases.
Conditions to Avoid: Incompatible materials.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Will not occur.
Section 7 鈥? Handling and Storage
Handling: Avoid breathing dust, vapor, mist, or gas. Keep container tightly closed. Avoid contact with
skin and eyes. Wash thoroughly after handling. Mechanical exhaust required.
Storage: Store in a cool, dry place. Store in a tightly closed container. Keep refrigerated. (Store below
4掳C).
Section 8 鈥? Personal Protection
Eyes: 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.
Skin: Wear appropriate protective gloves to prevent skin exposure.
Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators: 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.
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SHANGHAI PI CHEMICALS LTD.
Section 9 鈥? Fire and Explosion Hazard Data
General Information: As in any fire, wear a self-contained breathing apparatus, MSHA/NIOSH (approved
or equivalent) and protective clothing to prevent contact with skin and eyes.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or appropriate foam.
Section 10 鈥? Accidental Release Measures
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container.
Section 11 鈥? Toxicological Information
RTECS#: CAS# 142-45-0: None listed
LD50/LC50: RTECS: Not available
Carcinogenicity: 2-Butynedioic acid - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Section 12 鈥? Environmental information
Not available
Section 13 鈥? Disposal Consideration
Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an
afterburner and scrubber. Observe all federal, state and local environmental regulations.
Section 14 鈥? Transport Information
IATA IMO RID/ADR
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.* TOXIC SOLID, ORGANIC, N.O.S. TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1 6.1 6.1
UN Number: 2811 2811 2811
Packing Group: III III III
Section 15 鈥? Regulatory Information
European/International Regulations
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SHANGHAI PI CHEMICALS LTD.
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Indication of Danger: Toxic
Risk Phrases:
R 25 Toxic if swallowed.
R 36/37/38 Irritating to eyes, respiratory system and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 45 In case of accident or if you feel unwell, seek medical advice immediately (show label where
possible).
WGK (Water Danger/Protection)
CAS#142-45-0: 3
Canada
CAS# 142-45-0 is listed on Canada's NDSL List
US Federal
TSCA
CAS# 142-45-0 is listed on the TSCA Inventory.
Section 16 鈥? Additional Information
MSDS Creation Date: Mar. 14, 2007
Update: Original
The above information is believed to be accurate and represents the best knowledge available to us currently. However,
we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and
we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall PI Chemicals, be liable for any claims, losses, or damages of any
third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, even if PI Chemicals
has been advised of the possibility of such damages.
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