Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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L(+)-Dihydroxysuccinic acid(87-69-4)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
L(+)-Dihydroxysuccinic acid
Synonyms
(2R,3R)-2,3-dihydroxybutanedioic acid
1,2-Dihydroxyethane-1,2-dicarboxylic acid
2,3-Dihydroxybutanedioic acid
L-(+)-Dihydrosuccinic acid
Threaric acid
CAS
87-69-4
Formula
C4H6O6
Molecular Weight
150.09
EINECS
201-766-0
RTECS
WW7875000
RTECS Class
Drug
Merck
12,9237
Beilstein/Gmelin
1725147
Beilstein Reference
4-03-00-01219
EC Class
irritant

Physical and Chemical Properties

Appearance
Odorless, white crystals.
Solubility in water
1377 g/L
Melting Point
168 - 170
Boiling Point
399
Vapor Pressure
5E-8 (25 C)
Density
1.759 g/cm3
pKa/pKb
3.07 (pKa)
Partition Coefficient
-1.43
Heat Of Vaporization
75.1 kJ/mol
Heat Of Combustion
-1096 kJ/mol
Usage
Substance is used in the soft drink industry, confectionery products, bakery products, gelatin desserts, as an acidulant.
Refractive Index
1.464

First Aid Measures

Ingestion
Never give anything by mouth to an unconscious person. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. 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. Wash clothing before reuse.
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 tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Do not ingest or inhale. Use with adequate ventilation.

Hazards Identification

Ingestion
Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation
Causes respiratory tract irritation.
Skin
Causes skin irritation. Low hazard for usual industrial handling.
Eyes
Causes eye irritation.
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 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
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Poison Class
4

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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Accidental Release Measures

Small spills/leaks
Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Stability
Stable at room temperature in closed containers under normal storage and handling conditions.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Transport Information

HS Code
2918 12 00
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