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MSDS Material Safety Data Sheet
CAS

107-92-6

File Name: 107-92-6.asp

                              SIGMA-ALDRICH

Material Safety Data Sheet

Date Printed: 14/FEB/2005
Date Updated: 25/MAR/2004
Version 1.1
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 BUTYRIC ACID, 99+%, NATURAL, FCC
Product Number W222119

Company Sigma-Aldrich Pty, Ltd
Unit 2, 14 Anella Avenue
Castle Hill NSW 1765
Australia
Technical Phone # +61 2 9841 0555
Fax +61 2 9841 0500
Emergency Phone # +61 2 9841 0566

2 - Composition/Information on Ingredients

Product Name CAS # EC no Annex I
Index Number
BUTYRIC ACID, FOR MANUFACTURING 107-92-6 203-532-3 607-135-00-X

Formula C4H8O2
Molecular Weight 88.11 AMU
Synonyms Butanic acid * Butanoic acid * Buttersaeure
(German) * n-Butyric acid * Ethylacetic acid *
Kyselina maselna (Czech) * 1-Propanecarboxylic
acid * Propylformic acid

3 - Hazards Identification

SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Causes burns.


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 skin contact, flush with copious amounts of water for
at least 15 minutes. Remove contaminated clothing and shoes.
Call a physician.

AFTER EYE CONTACT
In case of contact with eyes, flush with copious amounts of
water for at least 15 minutes. Assure adequate flushing by
separating the eyelids with fingers. Call a physician.

AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician. Do not induce vomiting.

5 - Fire Fighting Measures

EXTINGUISHING MEDIA
Suitable: Carbon dioxide, dry chemical powder, or appropriate
foam.

SPECIAL RISKS
Specific Hazard(s): Combustible liquid. 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

PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area.

PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear self-contained breathing apparatus, rubber boots, and heavy
rubber gloves.

METHODS FOR CLEANING UP
Cover with dry lime or soda ash, pick up, keep in a closed
container, and hold for waste disposal. Ventilate area and wash
spill site after material pickup is complete.

7 - Handling and Storage

HANDLING
Directions for Safe Handling: Do not breathe vapor. Do not get
in eyes, on skin, on clothing. Avoid prolonged or repeated
exposure.

STORAGE
Conditions of Storage: Keep tightly closed. Keep away from heat
and open flame. Store in a cool dry place.

8 - Exposure Controls / Personal Protection

ENGINEERING CONTROLS
Safety shower and eye bath. Use only in a chemical fume hood.

GENERAL HYGIENE MEASURES
Wash contaminated clothing before reuse. Discard contaminated
shoes. Wash thoroughly after handling.

PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.
Special Protective Measures: Faceshield (8-inch minimum).

9 - Physical and Chemical Properties

Appearance Physical State: Clear liquid
Color: Colorless
Odor: Stench.



ALDRICH - W222119 www.sigma-aldrich.com Page 2
Property Value At Temperature or Pressure

pH N/A
BP/BP Range 164 掳C 760 mmHg
MP/MP Range -7.9 掳C
Flash Point 72 掳C Method: closed cup
Flammability N/A
Autoignition Temp 440 掳C
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits Lower: 2 %
Upper: 10 %
Vapor Pressure 0.43 mmHg 20 掳C
SG/Density 0.958 g/cm3
Partition Coefficient N/A
Viscosity N/A
Vapor Density 3.04 g/l
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
Materials to Avoid: Oxidizing agents.

HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide.

HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur

11 - Toxicological Information

RTECS NUMBER: ES5425000

ACUTE TOXICITY

LD50
Oral
Rat
2000 mg/kg

LD50
Intraperitoneal
Mouse
3180 MG/KG

LD50
Subcutaneous
Mouse
3180 MG/KG

LD50
Intravenous


ALDRICH - W222119 www.sigma-aldrich.com Page 3
Mouse
800 MG/KG
Remarks: Behavioral:Convulsions or effect on seizure threshold.

LD50
Skin
Rabbit
530 UL/KG

IRRITATION DATA

Skin
Rabbit
500 mg
Remarks: Open irritation test

Skin
Rabbit
20 mg
24H
Remarks: Moderate irritation effect

SIGNS AND SYMPTOMS OF EXPOSURE
Material is extremely destructive to tissue of the mucous
membranes and upper respiratory tract, eyes, and skin.
Inhalation may result in spasm, inflammation and edema of the
larynxand bronchi, chemical pneumonitis, and pulmonary edema.
Symptoms of exposure may include burning sensation, coughing,
wheezing, laryngitis, shortness of breath, headache, nausea, and
vomiting. Can cause CNS depression.

ROUTE OF EXPOSURE
Skin Contact: Causes burns.
Skin Absorption: Harmful if absorbed through skin. Readily
absorbed through skin.
Eye Contact: Causes burns.
Inhalation: Material is extremely destructive to the tissue of
the mucous membranes and upper respiratory tract. May be harmful
if inhaled.
Ingestion: Harmful if swallowed.

TARGET ORGAN INFORMATION
Blood.

CHRONIC EXPOSURE - MUTAGEN

Human
3 MMOL/L
Cell Type: HeLa cell
DNA damage

Human
4 MMOL/L
Cell Type: lymphocyte
DNA inhibition

Chicken
2 MMOL/L
Cell Type: fibroblast
DNA damage

12 - Ecological Information


ALDRICH - W222119 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. This combustible material may be burned in a
chemical incinerator equipped with an afterburner and scrubber.
Observe all federal, state, and local environmental regulations.

14 - Transport Information

RID/ADR
UN#: 2820
Class: 8
PG: III
Proper Shipping Name: Butyric acid

IMDG
UN#: 2820
Class: 8
PG: III
Proper Shipping Name: N-BUTYRIC ACID
Marine Pollutant: No
Severe Marine Pollutant: No

IATA
UN#: 2820
Class: 8
PG: III
Proper Shipping Name: Butyric acid
Inhalation Packing Group I: No

15 - Regulatory Information

CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
ANNEX I INDEX NUMBER: 607-135-00-X
INDICATION OF DANGER: C
Corrosive.
R-PHRASES: 34
Causes burns.
S-PHRASES: 26 36 45
In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice. Wear suitable protective
clothing. In case of accident or if you feel unwell, seek
medical advice immediately (show the label where possible).

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


ALDRICH - W222119 www.sigma-aldrich.com Page 5
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.




ALDRICH - W222119 www.sigma-aldrich.com Page 6

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