methylthiol

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Names

[ CAS No. ]:
554-14-3

[ Name ]:
methylthiol

[Synonym ]:
2-Methyl-thiophene
2-methlthiophene
2-thiotolene
2-Me-thiophene
2-METHYLTHIOPHENE GC
2-Methylthiophene
5-Methylthiophene
UNII-7115JAP77A
EINECS 209-063-0
α-Methylthiophene
methylthiophene
MFCD00005451
methylthiol
Thiophene,2-methyl
2MT
Thiophene, 2-methyl-
2-methyl-thiophen

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
107.9±3.0 °C at 760 mmHg

[ Melting Point ]:
−63 °C(lit.)

[ Molecular Formula ]:
C₅H₆S

[ Molecular Weight ]:
98.166

[ Flash Point ]:
7.2±0.0 °C

[ Exact Mass ]:
98.019020

[ PSA ]:
28.24000

[ LogP ]:
2.36

[ Vapour Pressure ]:
31.0±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.531

[ Storage condition ]:
Flammables area

[ Water Solubility ]:
immiscible

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XM9625000

CHEMICAL NAME :: Thiophene, 2-methyl-

CAS REGISTRY NUMBER :: 554-14-3

BEILSTEIN REFERENCE NO. :: 0103734

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C5-H6-S

MOLECULAR WEIGHT :: 98.17

WISWESSER LINE NOTATION :: T5SJ B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,87,1982

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,87,1982

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1460 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,87,1982

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

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 11500 mg/m3/2H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,87,1982

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 1260 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 51(5),61,1986 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 20 mg/m3 JAN 1993

Safety Information

[ Symbol ]:

GHS02

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H225

[ Precautionary Statements ]:
P210

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
F:Flammable;Xi:Irritant;

[ Risk Phrases ]:
R11;R36/37/38

[ Safety Phrases ]:
S16-S37/39-S26

[ RIDADR ]:
UN 1993 3/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
XM9625000

[ Packaging Group ]:
II

[ Hazard Class ]:
3

[ HS Code ]:
29349990

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

2-(Tributylstannyl)Thiophene
methyl iodide
Thiophen-2-ylmethanol
pentanethiol
UNII:K290J6114Q
carbon monoxide
Thiophene(SIV)
2-Thiophenecarboxaldehyde
trans-1,3-pentadiene
5-Methylthiophene-2-boronic acid pinacol ester

DownStream

2-Methyl-3-nitrothiophene-5-carboxylic Acid
5-Methylthiophene-2-boronic acid pinacol ester
1-(5-Methylthien-2-yl)propan-1-one
ETHYL 5-METHYLTHIOPHENE-2-GLYOXYLATE
2-Ethyl-5-methylthiophene
Thiophene-2-carboxylic acid
Tetrabromothiophene
2-(Bromomethyl)thiophene
1-[1-(5-methylthiophen-2-yl)-2-(4-nitrophenyl)ethyl]imidazole
4-(5-METHYL-2-THIENYL)-4-OXOBUTYRIC ACID

Customs

[ HS Code ]: 29349990

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