General Information:
CAS Number 75 - 07 - 0
EINECS Number 200 - 836 - 8
Chemical Name Acetaldehyde
Chemical Classification Aldehyde
Synonyms Ethanal; ethyl aldehyde; acetic aldehyde.
Formula C2H4O
Molecular weight 44.05
Shipping Name Acetaldehyde
Codes / Label Flammable liquid, class - 3.1
Hazardous Waste ID No. 5
Hazchem Code 2 YE
UN Number 1089
Colourless liquid with characteristic pungent odour. Highly flammable vapour / air mixtures explosive over a very wide concentration range.
Product uses
In the manufacture of paraldehyde, acetic acid, butanol, perfumes, flavors, aniline dyes, plastics, synthetic rubber; silvering mirrors, hardening gelatin fibers.
Product Specifications:
Acetaldehyde, % w/w, min. 98.50
Acidity (as CH3COOH), % w/w max. 0.30
As a raw material for paraldehyde, acetic acid, butanol, perfumes, flavours, aniline dyes, plastics, synthetic rubber. Used in silvering mirrors, hardening gelatin fibers.
In pressurized tankers, made out of SS - sheets. The container shall be clean, dry & leak proof & if possible insulated. Maximun pressure in a filled in tanker should not exceed 2 Kg/cm2
This information is based on our present state of knowledge and is intended to provide general notes on our products and their uses. It should therefore, not be construed as guaranteeing specific properties of the products described or their suitability for a particular application. Any existing industrial property rights must be observed. The quality of our product is guaranteed under our General Conditions of Sale.
Material safety data sheet (According to 91/155 EC)
1. Identification of the substance / preparation and of the company / undertaking:
Product details:
Trade name Acetaldehyde
Chemical name/ formula Acetaldehyde; C2H4O
Manufacturer / Supplier  
Kanoria Chemicals & Industries Ltd.

3407 GIDC Industrial Estate,
Ankleshwar 393 002 (Gujarat), India
Tel:+91 2646 668801-04
Fax: +91 2646 251816
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Kanoria Chemicals & Industries Ltd.

A-304/305/306, Universal Business Park,
Chandivali Farm Road, Off Saki Vihar Road,
Near Kamani Oil Mills, Saki Naka, Andheri (East),
Mumbai 400 072 (Maharashtra), India.
Tel: +91 22 28470216, 28470217
Fax: +91 22 28470235
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Further information obtainable from Information in case of emergency Safety Department
Tel: +91 2646 668869
2. Composition/ information on ingredients:
Description CAS Number EINECS Number
Acetaldehyde 75-07-0 200-836-8
3. Hazard identification:
Hazard description
Highly flammable. Vapour/air mixtures are explosive over a wide range of concentration; causes skin irritation and burns. Causes severe eye irritation and irritation of respiratory tract.
Chronic exposure Cancer hazard. Can cause adverse reproductive effects.
Carcinogen city (OSHA): Yes; EC carcinogen category 3
4. First-aid measures:
After inhalation Remove to fresh air. Restore breathing.
After skin contact
Flush with water for 15 minutes. If no burns have occurred, use soap & water to clean skin.
After eye contact
Flush with plenty of running water for 15 - 20 minutes.
After swallowing Contact physician immediately.


5. Fire-fighting measures:
Suitable extinguishing agents CO2, Dry Chemicals, Do not use water!
6. Accidental release measures:
Person-related safety precautions
Proper protective equipment and respiratory system. Shut off sources of ignition.
Measures for cleaning/collecting
Evacuate area, absorb on vermiculate/similar material; sweep up & place in appropriate container for disposal accordingly to item 13.
7. Handling and storage:
Information for safe handling
Avoid breathing vapours; avoid contact with skin and eyes. Person, not specially trained, should not handle this product.
Information about fire and explosion
Flammable liquid vapours may form explosive mixture with air. Sensitive to heat.
Requirements to be met by storerooms and receptacles
Store under Nitrogen blanketing in closed containers in refrigerated flammable liquid area. Keep away from strong oxidizing/reducing agents. Should be handled by specially and properly trained persons.
8. Exposure controls / protection:
75 - 07 - 0 Acetaldehyde
PEL (OSHA) 200 ppm
TLV (ACGIH) 25 ppm
OES Short term value : 50 ppm
Long term value : 20 ppm
Personal protective equipment Proper protective device
Respiratory protection Self contained breathing apparatus with full face piece, operated in positive pressure mode
Protection of hands Impervious gloves
Protection of Eye Safety goggles with face shield.
9. Physical and chemical properties:
General information:  
Form Liquid
Colour Colourless
Odour Pungent acrid odour
Change in condition  
Melting point - 124oC
Boiling Point / Boiling range 20oC
Flash point: (CC) - 40oC
Explosion Limits : Upper 60%; Lower : 4%
Auto ignition temperature 185oC
Vapour pressure (mm Hg) 740 at 20oC
Vapour density (AIR = 1) 1.52
Specific gravity at 25oC 0.788
Evaporation rate & Ref 49 (n-butyl acetate = 1)
Solubility in water/Miscibility with water at 25oC Miscible in all proportion
10. Stability & Reactivity:
The product is stable. Sensitive to air and heat. Keep away from strong bases, acids, reducing and oxidizing agent Incompatible with halogen and halogen oxides. Hazardous polymerization may occur on standing and may develop pressure.
Dangerous decomposition products Liberate Toxic fumes - Flammable
11. Toxicological information:
Acute toxicity:  
LD /LC50 values relevant for classification:
Oral LD 50 661 mg/kg (Rat)
IHL LC 50 13300 ppm/4 hrs. (Rat)
IHL LC 50 23g/m3/4h (Mouse)
IHL LC 50 23g/m3/4h (Mouse)
SKN LD 50 3540 mg/Kg (Rabbit)
Primary irritant effect  
On the skin Severe Irritant
On the eyes Severe Irritant
Sensitization : Not known
12. Ecological information:
Environmental toxicity Data not available
Environmental fate Data not available
13. Disposal conditions:
Whatever can not be recycled, should be absorbed inert absorbent, containerized and transferred to appropriate and approved waste disposal facility: Dispose waste, containers and unused contents in accordance with official requirements.
14. Transit information:
Shipping name Acetaldehyde
UN Number 1089 Class : 3.1
Packing group I Label : Flammable Liquid
15. Regulatory information:
ADR/RID(EU only) : Class 3.1(a)
This product is hazardous under the criteria of the OSHA Hazard Communication Standard 29 CFR 1910.119. This product is on the EPA Toxic Substance Control Act(TSCA) inventory list.
Observe safety regulations for handling flammable toxic chemicals
16. Other information:
Kanoria Chemicals & Industries Limited provides the information contained herein in good faith, but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose.Kanoria chemicals & industries limited makes no representations or warranties, either express or implied, including without limitation any warranties of merchantability, fitness for a particular purpose with respect to the information set forth herein or the product to which the information refers. accordingly, kanoria chemicals & industries limited will not be responsible for damages resulting from use of or reliance upon this information.
Department issuing MSDS: Safety Department
Date of Issue: 01-07-2012 Date of Revision: 30-06-2015
This document is valid for 03 years from the date of issue, and is bound to be canceled, if not revised on or before the date of revision.