CAS 554-14-3|methylthiol

Introduction：Basic information about CAS 554-14-3|methylthiol, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. methylthiol BiologicalActivity
3. Chemical & Physical Properties
4. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
5. Safety Information
6. Customs
7. Articles1
8. Synonyms

Common Name	methylthiol
CAS Number	554-14-3	Molecular Weight	98.166
Density	1.0±0.1 g/cm3	Boiling Point	107.9±3.0 °C at 760 mmHg
Molecular Formula	C₅H₆S	Melting Point	−63 °C(lit.)
MSDS	ChineseUSA	Flash Point	7.2±0.0 °C
Symbol	GHS02	Signal Word	Danger

Names

Name	2-Methylthiophene
Synonym	More Synonyms

methylthiol BiologicalActivity

Description	4-Methylthiophene is an intermediate used in the synthesis of the aromatic sulfur compounds[1].
Related Catalog	Research Areas >>OthersSignaling Pathways >>Others >>Others
References	[1]. Marta Królikowska, et al. Effect of Cation Structure in Quinolinium-Based Ionic Liquids on the Solubility in Aromatic Sulfur Compounds or Heptane: Thermodynamic Study on Phase Diagrams. Molecules

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
InChIKey	XQQBUAPQHNYYRS-UHFFFAOYSA-N
SMILES	Cc1cccs1
Storage condition	Flammables area
Water Solubility	immiscible

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

Customs

HS Code	29349990

Articles1

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Synonyms

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

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