Teloon Chemicals - MATERIAL SAFETY DATA SHEET

MATERIAL SAFETY DATA SHEET

Hazardous according to criteria of Worksafe

Date of Issue : Apr 2000


1. IDENTIFICATION


General

Product Name : CITRIC ACID ANHYDROUS

Other Names : CITRIC ACID 2-HYDROXY-1,2,3-PROPANETRICARBOXYLIC ACID

UN No. : N/A

Dangerous Goods Class : None Allocated

Subsidiary Risk : None Allocated

Hazchem Code : N/A

Pack Group : 0

EPG : N/A

Poisons Schedule : N/A

Uses :

Preparation of citrates, flavouring extracts, confections, soft drinks, effervescent salts, acidifier, dispersing agent, medicines, acidulant and antioxidant in foods, sequestering agent, water-conditioning agent and detergent builder, cleaning and polishing stainless steel and other metals, alkyd resins, mordant, removal of sulphur dioxide from smelter waste gases.

1.1 Physical Description / Properties

Appearance : Colourless to white crystals/powder with no odour.

Formula : C6H8O7

Boiling Point : Decom deg C

Melting Point : 153 deg C

Vapour Pressure : N/A

Specific Gravity : 1.665 (water = 1)

Flash Point : N/A

pH : 1.8 (50 g/L)

Solubility in water : Sol. g/l (25 deg C)

Flammability Limits (as percentage volume in air)

Lower Explosion Limit : N/A

Upper Explosion Limit : N/A

1.2 Other Properties

Ignition temperature: 500 deg C. Decomposition temperature = > 170 deg C Solubility in ethanol = 383 g/L Bulk density = 900 - 980 kg/m3 Slightly hygroscopic.

1.3 Ingredients

Chemical EntityCAS No.Proportions (%)
CITRIC ACID ANHYDROUS[ 77-92-9]min 99
WATER[ 7732-18-5]max 1

2. HEALTH HAZARD INFORMATION


2.1 Health Effects - Acute

Swallowed

Adverse effects are not expected.

Eye

Irritating to eyes.

Skin

Contact with skin may result in moderate irritation.

Inhaled

Inhalation of dust or powder is likely to result in respiratory irritation.

2.2 Health Effects - Chronic

Chronic exposure may cause allergic reactions to some individuals.

2.3 First Aid

Swallowed

If swallowed, rinse out mouth and then drink 1 - 3 cups of water. DO NOT induce vomiting. Seek medical attention if necessary.

Eye

Rinse immediately with tap water for 10 minutes - open eyelids forcibly. Consult a physician.

Skin

Remove contaminated clothing, wash affectd skin with soap and water - do not use any solvents.

Inhaled

Remove casualty to fresh air and keep him/her calm.

First Aid Facilities

Ensure an eye bath and safety shower are available and ready for use.

2.5 Advice to Doctor

Treat symptomatically based on judgement of doctor and individual reactions of patient.

2.6 Toxicity Data

Oral (rabbit) LD50: >7000 mg/kg. Oral (mouse) LD50: >5400 mg/kg. Oral (rat) LD50: >6730 mg/kg. Eye - strong irritant (rabbit): 750 ug/24hr. Skin - moderate irritant (rabbit): 500 mg/24hr. Chronic - well tolerated oral (rat): 2000 mg/kg/90 days. Not a carcinogen (rat, mouse), not a teratogenic. GRAS - generally recognised as safe for human consumption.


3. PRECAUTIONS FOR USE


3.1 Exposure Standards

An exposure standard has not been established for this product. However, the following exposure is recommended for nuisance dusts : TWA 10 mg/m3.

3.2 Engineering Controls

Transfer and handle only in enclosed systems. Local exhaust ventilation os necessary. Take precautionary measures against electrostatic charging. Avoid dust formation - consider dust explosion hazard.

3.3 Personal Protection

In case of open handling use particle mask or respirator with independant air supply. Use protective gloves and tightly fitting safety glasses.

3.4 Flammability

Not flammable under conditions of use.


SAFE HANDLING INFORMATION


4.1 Storage / Transport

Store in closed containers and in a dry place. Store at temperatures between 10 - 25 deg C. Keep away from aluminium, copper, zinc, and steel. Keep away from potassium tartrate, alkalis, alkaline earth carbonates and bicarbonates, metal nitrates, acetates, and sulfides.

4.2 Packaging / Labelling

UN No. N/A

Class None Allocated

Sub Risk None Allocated

Hazchem Code N/A

Pack Group 0

EPG No. N/A

Shipping Name CITRIC ACID ANHYDROUS

Hazard IRRITANT

Risk Phrases

R36 Irritating to eyes.

Safety Phrases

S24/25 Avoid contact with skin and eyes.

4.3 Spills and Disposal

Spills

Clean up personnel should wear full protective clothing including respiratory protection in dusty conditions. Avoid raising dust.

Collect spilled material into suitable containers and hold for later disposal. Flush away spill area residues with copious amounts of water.

Disposal

Dispose according to all local, state, and federal regulations. Incinerate in qualified installation with flue gas scrubbing.

4.4 FIRE AND EXPLOSION HAZARD

Fire / Explosion

Decomposes when exposed to fire conditions. Products of decomposition may include oxides of carbon, acrid smoke, and irritating fumes. Dust may form explosive mixture with air.

Extinguishing Media

Firefighters should wear full protective clothing including self contained breathing apparatus. Use water spray jet, dry powder, foam, or carbon dioxide as extinguishing media. Precipitate gases/vapours/mists with water spray.


5 OTHER INFORMATION


Other Information

Inherent biodegradability - 98% after 7 days. Ecotoxicity - barely toxic for fish (goldfish) LCo: 625 mg/l. - moderately toxic for planktonic crustaceans (daphnia magna) LCo: 80 mg/l. - barely toxic for micro-organisms (pseudomonas putida) LCo: >10000 mg/l. - barely toxic for protoza (entosiphon salcatum) LCo: 485 mg/l. - barely toxic for algae (scenedesmus quadricauda) LCo: 640 mg/l. - moderately toxic for algae (microcystis aeruginosa) LCo: 80 mg/l.

5.1 Contact Points

OrganisationLocationTelephoneAsk For
Teloon Chemicals1908 CHINA LIFE INSURANCE TOWER, 26 RENMIN ROAD, DALIAN 116001, CHINA86-411-2819585Technical Officer
 
 

The information above is believed to be accurate and represents the best information currently available to us. 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.