Dodecanethiol

Synonyms: Lauryl mercaptan

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Chemical Name Dodecanethiol
Product Form Substance
Catalogue No. AL1952
CAS Number 112-55-0
EC Number 203-984-1
EC Index Number -
Grade 98% Extra Pure
HSN Code 29309070
Molecular Formula C12H26S
SECTION 1: Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
Chemical Name Dodecanethiol
Catalogue No. AL1952
Product form Substance
CAS Number 112-55-0
EC Number 203-984-1
Grade 98% Extra Pure
EC Index Number Not specified
Chemical Formula C12H26S
HSN Code 29309070
Synonyms Lauryl mercaptan
Chemical Structure -
1.2 Relevant identified uses of the substance or mixture and uses advised against
Use of the substance/mixture Chain-transfer agent in polymer synthesis and self-assembled monolayer precursor.
Uses advised against Not specified
1.3 Details of the supplier of the safety data sheet
Company identification Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 Emergency Contact Details
Phone / e-Mail Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
SECTION 2: Hazards identification
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 Skin Sens. 1A; Eye Dam. 1
Classification source ECHA C&L Inventory via PubChem CID 8195 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 Label elements
Hazard pictograms Corrosive, Irritant
Signal word Danger
Hazard statements H317: May cause an allergic skin reaction; H318: Causes serious eye damage
2.3 Other hazards
Other hazards Corrosive and irritating to skin and eyes; may cause respiratory irritation.
SECTION 3: Composition/information on ingredients
3.1 Substance
Name Dodecanethiol
CAS No. 112-55-0
SECTION 4: First aid measures
4.1 Description of first aid measures
First-aid measures after inhalation If this chemical has been inhaled, remove the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the person warm and at rest.
First-aid measures after skin contact If this chemical contacts the skin, immediately wash the contaminated skin with soap and water. If this chemical penetrates the clothing, immediately remove the clothing, wash the skin with soap and water, and get medical attention promptly.
First-aid measures after eye contact If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
First-aid measures after ingestion If this chemical has been swallowed, get medical attention immediately.
4.2 Most important symptoms and effects, both acute and delayed
Symptoms relating to use Irritation of eyes, skin, and respiratory tract; may cause nausea if ingested.
4.3 Indication of any immediate medical attention and special treatment needed
General information Treat symptomatically. Show this safety data sheet to the treating physician.
SECTION 5: Fire-fighting measures
5.1 Extinguishing media
Suitable extinguishing media Water spray, carbon dioxide, dry chemical powder, foam.
Unsuitable extinguishing media Not specified
5.2 Special hazards arising from the substance or mixture
Special procedures Combustible liquid; may produce toxic fumes in a fire.
5.3 Advice for firefighters
Protection during firefighting Do not enter fire area without proper protective equipment, including respiratory protection.
SECTION 6: Accidental release measures
6.1.1 For non-emergency personnel
Emergency procedures Evacuate area and ventilate. Wear appropriate protective equipment.
6.3 Methods and material for containment and cleaning up
Methods for cleaning up Personal protection: self-contained breathing apparatus. Collect leaking and spilled liquid in sealable containers as far as possible. Carefully collect remainder.
6.4 Reference to other sections
Reference Not specified
SECTION 7: Handling and storage
7.1 Precautions for safe handling
Precautions for safe handling Handle in a fume hood. Use gloves and eye protection.
Hygiene measures Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 Conditions for safe storage, including any incompatibilities
Storage conditions Separated from strong oxidants.
SECTION 8: Exposure controls/personal protection
8.2 Exposure controls
Hand protection Protective gloves (e.g. nitrile rubber)
Eye protection Chemical safety goggles or safety glasses
Skin and body protection Wear suitable protective clothing
Respiratory protection Use appropriate respiratory protection if ventilation is inadequate.
SECTION 9: Physical and chemical properties
9.1 Information on basic physical and chemical properties
Physical state Liquid
Colour Colorless to pale yellow
Odour Mild, skunk-like odor.
Odour threshold Not specified
pH value Not applicable
Relative evaporation rate (butylacetate=1) Not specified
Melting point -7 °C
Freezing point Not specified
Boiling point BP: 142-145 °C @ 15 MM HG
Flash point 262 °F (128 °C) (Open cup)
Auto-ignition temperature Not specified
Decomposition temperature Not specified
Flammability (solid, gas) Not applicable
Vapour pressure 0.00853 mm Hg @ 20 °C
Relative vapour density at 20°C Relative vapor density (air = 1): 7.0
Density 0.8435 at 20 °C/20 °C
Solubility Insol in water; sol in ethanol, ether, chloroform
Log Pow Not specified
Viscosity, kinematic Not specified
Viscosity, dynamic Not specified
Explosive properties Not explosive
Oxidising properties Not oxidizing
Explosive limits Not specified
SECTION 10: Stability and reactivity
10.1 Reactivity
Reactivity Stable under normal conditions; avoid strong oxidizing agents.
10.2 Chemical stability
Chemical stability Stable under recommended storage conditions.
10.3 Possibility of hazardous reactions
Possibility of hazardous reactions Decomposes on burning. This produces toxic gases. Reacts with strong oxidants.
10.4 Conditions to avoid
Conditions to avoid Avoid contact with incompatible materials and excessive heat.
10.5 Incompatible materials
Incompatible materials Strong oxidizing agents, strong acids.
10.6 Hazardous decomposition products
Hazardous decomposition products When heated to decomposition it emits toxic fumes of sulfur oxides.
SECTION 11: Toxicological information
11.1 Information on toxicological effects
Acute toxicity LD50 Mouse oral 4225 mg/kg.; LD50 Mouse oralintravenous 316 mg/kg.
Skin corrosion/irritation Not classified (based on available data)
Serious eye damage/irritation H318: Causes serious eye damage
Respiratory or skin sensitisation H317: May cause an allergic skin reaction
Germ cell mutagenicity Not classified (based on available data)
Carcinogenicity Not classified (based on available data)
Specific target organ toxicity (single exposure) Not classified (based on available data)
Specific target organ toxicity (repeated exposure) Not classified (based on available data)
SECTION 12: Ecological information
12.1 Toxicity
Toxicity information Not specified
12.2 Persistence - degradability
Persistence - degradability Not specified
12.3 Bioaccumulative potential
Bioaccumulative potential Not specified
12.4 Mobility in soil
Mobility in soil Not specified
12.6 Other adverse effects
Environmental precautions Not specified
SECTION 13: Disposal considerations
13.1 Waste treatment methods
Additional Info Dispose of contents/container in accordance with local, regional, national and international regulations.
SECTION 14: Transport information
14.1 UN number
UN-No. (ADR) UN 1760
UN-No. (IMDG) UN 1760
UN-No. (IATA) UN 1760
UN-No. (ADN) UN 1760
UN-No. (RID) UN 1760
14.2 UN proper shipping name
Proper Shipping Name (ADR) Dodecanethiol
Proper Shipping Name (IMDG) Dodecanethiol
Proper Shipping Name (IATA) Dodecanethiol
Proper Shipping Name (ADN) Dodecanethiol
Proper Shipping Name (RID) Dodecanethiol
14.3 Transport hazard class(es)
Transport hazard class(es) 8
14.4 Packing group
Packing group (ADR) III
Packing group (IMDG) III
Packing group (IATA) III
Packing group (ADN) III
Packing group (RID) III
14.5 Environmental hazards
Dangerous for the environment Not specified
Marine pollutant Not specified
Other information No supplementary information available
SECTION 15: Regulatory information
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
15.1.1 EU-Regulations Not specified
SECTION 16: Other Information
Disclaimer The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a guarantee or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text.