Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Methyl-2-propanethiol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2-Methyl-2-propanethiol, 99%
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

75-66-1

75-66-1 structure

Name: Tert-Butylthiol
Chemical Name: 2-Methyl-2-Propanethiol
CAS Number: 75-66-1
Molecular Formula: C₄H₁₀S
Molecular Weight: 90.187
Catalog: Chemical pesticide Insecticide intermediate
Create Date: 2018-03-31 08:00:00
Modify Date: 2025-08-20 16:33:24

Name	2-Methyl-2-Propanethiol
Synonyms	Tert-Butylthiol 2-Methyl-2-propanethiol t-Butyl mercaptan TERT-BUTANETHIOL tertiary-Butyl mercaptan 2-Methylpropane-2-thiol MFCD00004857 t-Butylmercaptan tert-butyl thiol 1,1-Dimethylethanethiol EINECS 200-890-2 t-butylthiol 2-Propanethiol, 2-methyl- propane-2-thiol, 2-methyl- tert.-Butanethiol tert-Butyl Mercaptan tert-Butylmercaptan

Density	0.8±0.1 g/cm3
Boiling Point	67.0±8.0 °C at 760 mmHg
Melting Point	-1.1 °C
Molecular Formula	C₄H₁₀S
Molecular Weight	90.187
Flash Point	-24.4±0.0 °C
Exact Mass	90.050323
PSA	38.80000
LogP	1.95
Vapour density	3.1 (vs air)
Vapour Pressure	160.1±0.1 mmHg at 25°C
Index of Refraction	1.437
Stability	Stable. Flammable - note low flashpoint. Incompatible with strong oxidizing agents.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TZ7660000

CHEMICAL NAME :: 2-Propanethiol, 2-methyl-

CAS REGISTRY NUMBER :: 75-66-1

BEILSTEIN REFERENCE NO. :: 0505947

LAST UPDATED :: 199710

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C4-H10-S

MOLECULAR WEIGHT :: 90.20

WISWESSER LINE NOTATION :: SHX1&1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 19,171,1958 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4729 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory depression Behavioral - coma

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 19,171,1958

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 22200 ppm/4H

TOXIC EFFECTS :: Behavioral - muscle weakness Behavioral - ataxia Lungs, Thorax, or Respiration - cyanosis

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 19,171,1958

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 590 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory depression Behavioral - coma

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 19,171,1958

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 16500 ppm/4H

TOXIC EFFECTS :: Behavioral - muscle weakness Behavioral - ataxia Lungs, Thorax, or Respiration - cyanosis

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 19,171,1958 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 201 ppm/6H/2W-I

TOXIC EFFECTS :: Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight Endocrine - changes in spleen weight

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555472 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - B0110 No. of Facilities: 321 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 4717 (estimated)

Symbol	GHS02, GHS07, GHS09
Signal Word	Danger
Hazard Statements	H225-H317-H411
Precautionary Statements	P210-P273-P280
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
Hazard Codes	F:Flammable;Xn:Harmful;
Risk Phrases	R11;R36;R43;R65
Safety Phrases	S3-S16-S26-S39-S38-S36/37
RIDADR	UN 2347 3/PG 2
WGK Germany	3
RTECS	TZ7660000
Packaging Group	II
Hazard Class	3.1

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