1-(2,4-Dimethylphenyl)-2-thiourea

Modify Date: 2025-08-27 17:04:33

1-(2,4-Dimethylphenyl)-2-thiourea Structure
1-(2,4-Dimethylphenyl)-2-thiourea structure
Common Name 1-(2,4-Dimethylphenyl)-2-thiourea
CAS Number 16738-20-8 Molecular Weight 180.27000
Density 1.2g/cm3 Boiling Point 290.7ºC at 760mmHg
Molecular Formula C9H12N2S Melting Point 177-179°C
MSDS N/A Flash Point 129.6ºC

 Names

Name (2,4-dimethylphenyl)thiourea
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2g/cm3
Boiling Point 290.7ºC at 760mmHg
Melting Point 177-179°C
Molecular Formula C9H12N2S
Molecular Weight 180.27000
Flash Point 129.6ºC
Exact Mass 180.07200
PSA 70.14000
LogP 2.73220
Vapour Pressure 0.00203mmHg at 25°C
Index of Refraction 1.674
InChIKey KAGLPYRXTCQWHU-UHFFFAOYSA-N
SMILES Cc1ccc(NC(N)=S)c(C)c1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YU3675000
CHEMICAL NAME :
Urea, 2-thio-1-(2,4-xylyl)-
CAS REGISTRY NUMBER :
16738-20-8
BEILSTEIN REFERENCE NO. :
2639862
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C9-H12-N2-S
MOLECULAR WEIGHT :
180.29
WISWESSER LINE NOTATION :
SUYZMR B1 D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,46,1953

 Safety Information

Hazard Codes Xn
Risk Phrases R25
Safety Phrases S22-S36/37-S45
RIDADR 2811
RTECS YU3675000
Packaging Group II
Hazard Class 6.1
HS Code 2930909090

 Customs

HS Code 2930909090
Summary 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

2,4-Dimethylphenylthiourea
MFCD00041164
1-(2,4-DIMETHYLPHENYL)-2-THIOUREA
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