L-(+)酒石酸安全技术说明书
Product Identification
【Product Name】L(+)-Dihydroxysuccinic acid
【Synonyms】(2R,3R)-2,3-dihydroxybutanedioic acid
【CAS】87-69-4
【Formula】C4H6O6
【Molecular Weight】150.09
【EINECS】205-695-6
【Merck】12,9235
【Beilstein/Gmelin】1725145
【Beilstein Reference】4-03-00-01229
【EC Class】irritant

Physical and Chemical Properties
【Appearance】White solid.
【Solubility in water】Very soluble
【Melting Point】168 - 170℃
【Boiling Point】399℃
【Density】1.759 g/cm3
【pKa/pKb】3.07 (pKa)
【Partition Coefficient】-1.95
【Usage】One of the main acids found in wine. Added to food to give a sour taste and act as an antioxidant.
【Refractive Index】1.4955 (20℃)

First Aid Measures
【Ingestion】If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid if irritation or symptoms occur.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
【Skin】Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
【Eyes】Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage
【Storage】Store in a cool, dry place. Store in a tightly closed container.
【Handling】Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.

Hazards Identification
【Ingestion】May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【Inhalation】Dust is irritating to the respiratory tract.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation. Causes redness and pain.
【EC Risk Phrase】R 36/37/38
【EC Safety Phrase】S 26 36

Exposure Controls/Personal Protection
【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety ggles 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 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
【Poison Class】4 (Substances and products that must be considered harmful)

Fire Fighting Measures
【Flash Point】209℃
【Autoignition】425℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures
【Small spills/leaks】Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions.

Stability and Reactivity
【Disposal Code】4
【Incompatibilities】Bases, oxidizing agents, reducing agents, sliver.
【Stability】Stable under normal temperatures and pressures.
【Decomposition】Carbon monoxide, carbon dioxide.

Transport Information
【HS Code】2918 12 00