1 Hameldown Road
Okehampton Devon
EX20 1UB UK
Phone +44 (0)1837 54446
Fax + 44 (0)1837 54544
Email info@microanalysis.co.uk
Web www.microanalysis.co.uk
Safety Data Sheet
1 Identification of the substance/preparation and of the company/undertaking
Identification of the product
Catalogue number(s) B2031, B2102
Product Name: Stearic Acid
Manufacturer/supplier identification
As listed above
2 Composition/information on ingredients
Chemical characterisation
Organic solid
Product name: Stearic Acid
CAS number: 57-11-4
3 Hazard identification
Not classified as dangerous according to EC. directive.
4 First aid measures
Eye contact: Irrigate thoroughly with water. Ensure adequate washing by separating the eyelids
with fingers. Seek medical attention if discomfort persists.
Inhalation: Remove from exposure.
Skin Contact: Wash off thoroughly with soap & water.
Ingestion: Wash out mouth with water. In severe cases seek medical attention.
5 Fire-fighting measures
Special risks
Combustible
Suitable extinguishing media
Water spray, foam, dry powder or carbon dioxide.
6 Accidental release measures
Wear appropriate protective clothing.
Clean up spills immediately. Observing precautions in the protective equipment section. Sweep
up, then place into a suitable container for disposal. Avoid generating dusty conditions. Wash
spillage site thoroughly with detergent and water.
Ventilate area and wash spill site after material pickup is complete.
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7 Handling and storage
Handling:
Do not breath dust. Change contaminated clothing. Wash hands after working with substance.
Storage:
Store in a tightly closed container. Store in a cool, dry area away from incompatible
substances.
8 Exposure controls, personal protection
As appropriate to the situation and the quantity handled.
Respirator: Dust respirator.
Ventilation: Extraction Hood.
Gloves: Rubber or plastic.
Eye protection: Safety goggles
Other precautions. Plastic apron, sleeves, boots – if handling large quantities.
9 Physical and chemical properties
Form:
Solid.
Colour:
White
Odour:
Almost odourless
Melting Temperature:
70c
Boiling Temperature:
361c
Vapour pressure:
1mmHg, 174c
-Density
9.80
Density (g/ml):
0.84
Flash point:
196c
Solubility in Water:
Inmiscible or insoluble.
No further data
10 Stability and Reactivity:
Stable
Conditions to avoid: May react with oxidising materials.
11 Toxicological information
Naturally occurring substance.
After ingestion: Slightly toxic
After skin contact: Slight irritation
After eye contact: Slight irritation
After inhalation of dust: Irritation symptoms in the respiratory tract.
Further data
No Data
Has been found to cause cancer in laboratory animals. No evidence of mutagenic or
teratogenic effects.
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12 Ecological information
Biological degradability: Good (T ½: 3-13 days)
Fish toxicity: LC50 (oryzias latipes) (Sodium stearate): 125mg/l/96h
Adverse ecological effects cannot be excluded in the event of improper handling or disposal.
13 Disposal considerations
Chemical residues are generally classified as special waste, and as such are covered by
regulations which vary according to location. Contact your local waste disposal authority for
advice, or pass to a chemical disposal company.
14 Transport information
Not regulated. (IATA, IMO & RID/ADR)
Hazard class – none
UN number – not listed
15 Regulatory information
Labelling according to EC directives
Symbol:
S-phrases:
R-phrases: R99
Not classified as dangerous according to EC directives
EC-No.: 200-313-4-1
Local regulations
UK Exposure Limits: None assigned
16 Other information
Reason for alteration: n/a
Revision Date: 30th July 03
Revision number: 0 (First issue)
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