ICSC 0772 - TARTARIC ACID

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TARTARIC ACID	ICSC: 0772 (December 2022)
DL-Tartaric acid (±)-Tartaric acid 2,3-Dihydroxybutanedioic acid Racemic acid; uvic acid

CAS #: 133-37-9
CAS #: see Notes

EC Number: 205-105-7

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible.	NO open flames.	Use water spray, powder, foam, carbon dioxide.

PREVENT DISPERSION OF DUST! STRICT HYGIENE!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Sore throat. Burning sensation.	Use local exhaust, ventilation or breathing protection.	Fresh air, rest. Seek medical attention if you feel unwell.
Skin	Redness.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes	Redness. Pain. Severe burns.	Wear safety goggles.	Rinse with plenty of water for several minutes (remove contact lenses if easily possible). Refer immediately for medical attention.
Ingestion	Cough. Sore throat. Burning sensation. Nausea. Vomiting.	Do not eat, drink, or smoke during work.	Rinse mouth. Give one or two glasses of water to drink. Seek medical attention if you feel unwell.

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Store and dispose of according to local regulations.	According to UN GHS Criteria Causes serious eye damage May cause respiratory irritation Transportation UN Classification
STORAGE
Store only in original packaging.
PACKAGING

TARTARIC ACID

ICSC: 0772

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE CRYSTALLINE POWDER. Physical dangers The vapour is heavier than air. Chemical dangers The solution in water is a medium strong acid. Reacts with fluorine, strong oxidants, hydrogen peroxide, alkaline compounds and silver. This produces toxic fumes.	Formula: C₄H₆O₆ / COOH(CHOH)₂COOH Molecular mass: 150.1 Melting point: 206°C Relative density (water = 1): 1.79 Solubility in water, g/l at 20°C: 1400 (very soluble) Flash point: 210°C c.c. Auto-ignition temperature: 425°C Octanol/water partition coefficient as log Pow: -0.76 (calculated)

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE CRYSTALLINE POWDER.

Physical dangers
The vapour is heavier than air.

Chemical dangers
The solution in water is a medium strong acid. Reacts with fluorine, strong oxidants, hydrogen peroxide, alkaline compounds and silver. This produces toxic fumes.

Formula: C₄H₆O₆ / COOH(CHOH)₂COOH
Molecular mass: 150.1
Melting point: 206°C
Relative density (water = 1): 1.79
Solubility in water, g/l at 20°C: 1400 (very soluble)
Flash point: 210°C c.c.
Auto-ignition temperature: 425°C
Octanol/water partition coefficient as log Pow: -0.76 (calculated)

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation and by ingestion. Effects of short-term exposure The substance is corrosive to the eyes. The substance is irritating to the skin and upper respiratory tract.	Inhalation risk A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation and by ingestion.

Effects of short-term exposure
The substance is corrosive to the eyes. The substance is irritating to the skin and upper respiratory tract.

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS
MAK: 2 mg/m³; peak limitation category: I(2); pregnancy risk group: C

ENVIRONMENT
See Notes.

NOTES
CAS numbers for optical isomers are 87-69-4 for L-tartaric acid, 147-71-7 for D-tartaric acid and 147-73-9 for meso tartaric acid. L-tartaric acid is also known as E334. Environmental effects of the racemic DL-mixture have not been adequately investigated. The L-isomer has been adequately investigated, but no significant effects have been found.

ADDITIONAL INFORMATION

EC Classification

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