SIGMA-ALDRICH
Material Safety Data Sheet
Date Printed: 23/JUN/2005
Date Updated: 03/MAY/2004
Version 1.5
According to 91/155/EEC
Classified as Hazardous according to the criteria of EU Annex 1 and
NOHSC.
1 - Product and Company Information
Product Name CITRIC ACID, REAGENT GRADE
Product Number C0759
Company Sigma-Aldrich Pty. Ltd.
12 Anella Avenue
Castle Hill NSW 2154
Australia
Technical Phone # +61 2 9841 0555 (1800 800 097)
Fax +61 2 9841 0500 (1800 800 096)
Emergency Phone # +44 8701906777 (1800 448 465)
2 - Composition/Information on Ingredients
Product Name CAS # EC no Annex I
Index Number
CITRIC ACID ANHYDROUS 77-92-9 201-069-1 None
Formula C6H8O7
Molecular Weight 192.12 AMU
Synonyms Aciletten * Anhydrous citric acid * Citretten *
Citric acid, anhydrous * Citro *
2-Hydroxy-1,2,3-propanetricarboxylic acid *
beta-Hydroxytricarballylic acid * Kyselina
citronova (Czech) * Kyselina
2-hydroxy-1,2,3-propantrikarbonova (Czech) * NSC
30279 * 1,2,3-Propanetricarboxylic acid,
2-hydroxy-
3 - Hazards Identification
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Risk of serious damage to eyes.
4 - First Aid Measures
AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.
AFTER SKIN CONTACT
In case of contact, immediately wash skin with soap and copious
amounts of water.
AFTER EYE CONTACT
In case of contact, immediately flush eyes with copious amounts
of water for at least 15 minutes.
AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.
5 - Fire Fighting Measures
EXTINGUISHING MEDIA
Suitable: Water spray. Carbon dioxide, dry chemical powder, or
appropriate foam.
SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.
6 - Accidental Release Measures
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear respirator, chemical safety goggles, rubber boots, and
heavy rubber gloves.
METHODS FOR CLEANING UP
Sweep up, place in a bag and hold for waste disposal. Avoid
raising dust. Ventilate area and wash spill site after material
pickup is complete.
7 - Handling and Storage
HANDLING
Directions for Safe Handling: Do not breathe dust. Avoid contact
with eyes, skin, and clothing. Avoid prolonged or repeated
exposure.
STORAGE
Conditions of Storage: Keep tightly closed.
8 - Exposure Controls / Personal Protection
ENGINEERING CONTROLS
Safety shower and eye bath. Mechanical exhaust required.
GENERAL HYGIENE MEASURES
Wash thoroughly after handling.
PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.
9 - Physical and Chemical Properties
Appearance Physical State: Solid
Property Value At Temperature or Pressure
pH N/A
BP/BP Range N/A
MP/MP Range 155 - 157 掳C
Flash Point N/A
Flammability N/A
SIGMA - C0759 www.sigma-aldrich.com Page 2
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits Lower: 8 %
Vapor Pressure N/A
SG/Density N/A
Partition Coefficient N/A
Viscosity N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility N/A
10 - Stability and Reactivity
STABILITY
Stable: Stable.
Materials to Avoid: Oxidizing agents, Bases, Reducing agents,
Nitrates.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide.
HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur
11 - Toxicological Information
RTECS NUMBER: GE7350000
ACUTE TOXICITY
LD50
Oral
Rat
3000 mg/kg
LD50
Intraperitoneal
Rat
290 MG/KG
LD50
Subcutaneous
Rat
5500 MG/KG
Remarks: Lungs, Thorax, or Respiration:Other changes. Other
changes
LD50
Oral
Mouse
5040 mg/kg
Remarks: Lungs, Thorax, or Respiration:Other changes. Other
changes
SIGMA - C0759 www.sigma-aldrich.com Page 3
LD50
Intraperitoneal
Mouse
903 MG/KG
LD50
Subcutaneous
Mouse
2700 MG/KG
Remarks: Lungs, Thorax, or Respiration:Other changes. Other
changes
LD50
Intravenous
Mouse
42 MG/KG
Remarks: Behavioral:Convulsions or effect on seizure threshold.
Lungs, Thorax, or Respiration:Cyanosis. Gastrointestinal:Changes
in structure or function of salivary glands.
LD50
Intravenous
Rabbit
330 MG/KG
Remarks: Behavioral:Convulsions or effect on seizure threshold.
Lungs, Thorax, or Respiration:Cyanosis. Gastrointestinal:Changes
in structure or function of salivary glands.
IRRITATION DATA
Skin
Rabbit
500 mg
24H
Remarks: Mild irritation effect
Eyes
Rabbit
0.75 mg
24H
Remarks: Severe irritation effect
SENSITIZATION
Sensitization: Prolonged or repeated exposure may cause allergic
reactions in certain sensitive individuals.
SIGNS AND SYMPTOMS OF EXPOSURE
Exposure can cause: Vomiting. Diarrhea. Damage to tooth enamel.
Dermatitis. To the best of our knowledge, the chemical,
physical, and toxicological properties have not been thoroughly
investigated.
ROUTE OF EXPOSURE
Skin Contact: May cause skin irritation.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: Causes severe eye irritation.
Inhalation: May be harmful if inhaled. Material may be
irritating to mucous membranes and upper respiratory tract.
Ingestion: May be harmful if swallowed.
12 - Ecological Information
SIGMA - C0759 www.sigma-aldrich.com Page 4
No data available.
13 - Disposal Considerations
SUBSTANCE DISPOSAL
Contact a licensed professional waste disposal service to dispose
of this material. 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.
14 - Transport Information
RID/ADR
Non-hazardous for road transport.
IMDG
Non-hazardous for sea transport.
IATA
Non-hazardous for air transport.
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
INDICATION OF DANGER: Xi
Irritant.
R-PHRASES: 41
Risk of serious damage to eyes.
S-PHRASES: 26 39
In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice. Wear eye/face protection.
COUNTRY SPECIFIC INFORMATION
Germany
WGK: 1
SWITZERLAND
SWISS POISON CLASS: 5
16 - Other Information
WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
SIGMA - C0759 www.sigma-aldrich.com Page 5
|