Chemical Raw Material 1-Dodecanethiol CAS 112-55-0 C12h26s
4 Inquiries
112-55-0
Industrial Grade
98.5%
Tianjin
GreatAp
170kg
2026-10-02
water treatment chemicals,Chemical auxiliaries and intermediates
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Product Description
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial Referenceclear liquidOily colorless liquid with a mild skunk odor. Freezing point 19°F.
Lauryl mercaptan is an oily colorless liquid with a mild skunk odor. Freezing point 19°F. (USCG, 1999)|Liquid|COLOURLESS-TO-PALE YELLOW LIQUID WITH CHARACTERISTIC ODOUR.|Clear colourless to yellow liquid; Mild skunk-like odour|Colorless, water-white, or pale-yellow, oily liquid with a mild, skunk-like odor.|Colorless, water-white, or pale-yellow, oily liquid with a mild, skunk-like odor. [Note: A solid below 15°F.]
Lauryl mercaptan is an oily colorless liquid with a mild skunk odor. Freezing point 19°F. (USCG, 1999)Basic Info-
Product Name:
1-Dodecanethiol
Other Name:1-Dodecanethiol;Dodecyl mercaptan;Lauryl mercaptan;n-Lauryl mercaptan;n-Dodecanethiol;n-Dodecyl mercaptan;1-Mercaptododecane;1-Dodecyl mercaptan;n-Dodecylthiol;NSC 814;1-Dodecylthiol;Thiokalcol 20;NDM;n-Dodecyl thiolate;859759-62-9;2022216-73-3
CAS No.:112-55-0
Molecular Formula:C12H26S
InChIKeys:InChIKey=WNAHIZMDSQCWRP-UHFFFAOYSA-N
Molecular Weight:202.4
Exact Mass:202.40
EC Number:203-984-1
UNII:S8ZJB6X253
ICSC Number:0042
NSC Number:229570|11884|814
UN Number:3334|1228
DSSTox ID:DTXSID6025220
Color/Form:Colorless, water-white, or pale-yellow, oily liquid [Note: A solid below 15 degrees F].
HScode:29309070
Categories:
Characteristics-
PSA:
1
XLogP3:6.18 (est)
Appearance:Clear Liquid
Density:0.8450 g/cm3 @ Temp: 20 °C
Melting Point:-7 °C
Boiling Point:142-145 °C @ Press: 15 Torr
Flash Point:>230 °F
Refractive Index:n 20/D 1.459(lit.)
Water Solubility:H2O: IMMISCIBLE
Storage Conditions:2-8°C
Vapor Pressure:Vapour pressure, kPa at 25°C: 0.33
Vapor Density:7 (vs air)
Toxicity:LD50 orally in Rabbit: > 2000 mg/kg1-Dodecanethiol can cause severe skin burns and eye damage. It may cause an allergic skin reaction. It is very toxic to aquatic life with long lasting effects.
Flammability characteristics:Open flame is flammable; sulfur oxide gas is liberated by high heat
Explosive limit:Explosion hazard: ... /It/ produce/s/ explosive concentrations of vapor only at high temperatures.
Odor:MILD CHARACTERISTIC
Henrys Law Constant:Henry's Law constant = 5.9X10-2 atm-cu m/mol at 25 °C (est)
Experimental Properties:Saturated vapor concentration is approximately 8 to 9 ppm|Conversion factor: 8.26 mg/cu m = 1 ppm|Liquid-water interfacial tension: (EST) 30 dynes/cm at 20 °C|Distillation range: 200-235 °C|For more Other Experimental Properties (Complete) data for 1-DODECANETHIOL (6 total), please visit the HSDB record page.
Air and Water Reactions:Air and moisture sensitive. Insoluble in water. Reacts vigorously with water or steam.
Reactive Group:Sulfides, Organic
Reactivity Alerts:Water-Reactive
Reactivity Profile:LAURYL MERCAPTAN is incompatible with bases, oxidizing agents, reducing agents and alkali metals. Easily oxidized to disulfide. (NTP, 1992)
Heat of Combustion:-10,100 cal/g (est)
Flammable Limits:Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
Heat of Vaporization:60 cal/g (est)
Hazard IdentificationClassification of the substance or mixture
Skin corrosion, Sub-category 1C
Skin sensitization, Sub-category 1A
Serious eye damage, Category 1
Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Danger
Hazard statement(s) H314 Causes severe skin burns and eye damage
H317 May cause an allergic skin reaction
H410 Very toxic to aquatic life with long lasting effects
Precautionary statement(s) Prevention P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
Response P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P363 Wash contaminated clothing before reuse.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316 Get emergency medical help immediately.
P321 Specific treatment (see ... on this label).
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P302+P352 IF ON SKIN: Wash with plenty of water/...
P333+P317 If skin irritation or rash occurs: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P317 Get medical help.
P391 Collect spillage.
Storage P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
NO open flames. Above 88°C use a closed system and ventilation. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Separated from strong oxidants.Separated from strong oxidants.
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Seller Information
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Business Type:
Trader
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Main Products:
water treatment chemicals,Chemical auxiliaries and intermediates
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Location:
Room 2205, No.11, Lane 777 East Gaoke Road, Pudong New Area, Shanghai, China
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Total Annual Revenue:
$1 million-$2.5 million
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Total Employees:
11-50
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Year of Establishment:
2018
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Inquiry History4 Inquiries
Country Product Purchase Quantity Date Posted 
Russia
Normal Dodecyl Mercaptan 98.5% liquid
14000 KG Sep 16, 2024 
Oman
Dodecyl Mercaptan
0.10 L Mar 31, 2025 
Portugal
Dodecane-1-thiol
15 MT Sep 26, 2025 
Egypt
Dodecyl mercaptan
1 KG Jul 9, 2025 Post an enquiry for this product