m-tolylurea

Modify Date: 2026-07-01 07:55:04

m-tolylurea Structure
m-tolylurea structure
Common Name m-tolylurea
CAS Number 63-99-0 Molecular Weight 150.17800
Density 1.192g/cm3 Boiling Point 253.2ºC at 760 mmHg
Molecular Formula C8H10N2O Melting Point 138-143 °C
MSDS N/A Flash Point 106.9ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name (3-methylphenyl)urea
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.192g/cm3
Boiling Point 253.2ºC at 760 mmHg
Melting Point 138-143 °C
Molecular Formula C8H10N2O
Molecular Weight 150.17800
Flash Point 106.9ºC
Exact Mass 150.07900
PSA 55.12000
LogP 2.25890
Index of Refraction 1.62
InChIKey UVQVMNIYFXZXCI-UHFFFAOYSA-N
SMILES Cc1cccc(NC(N)=O)c1

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YU4025000
CHEMICAL NAME :
Urea, m-tolyl-
CAS REGISTRY NUMBER :
63-99-0
BEILSTEIN REFERENCE NO. :
2639488
LAST UPDATED :
199612
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C8-H10-N2-O
MOLECULAR WEIGHT :
150.20
WISWESSER LINE NOTATION :
ZVMR C1

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 :
1330 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na Naukite. (Sofia, Bulgaria) V.4-16, 1960-74. For publisher information, see APPBDI. Volume(issue)/page/year: 12,195,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
410 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na Naukite. (Sofia, Bulgaria) V.4-16, 1960-74. For publisher information, see APPBDI. Volume(issue)/page/year: 12,195,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
665 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na Naukite. (Sofia, Bulgaria) V.4-16, 1960-74. For publisher information, see APPBDI. Volume(issue)/page/year: 12,195,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
538 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na Naukite. (Sofia, Bulgaria) V.4-16, 1960-74. For publisher information, see APPBDI. Volume(issue)/page/year: 12,195,1969

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xn
Risk Phrases 22
Safety Phrases S36
RTECS YU4025000
HS Code 2924299090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2924299090
Summary 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 m-tolylureaBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
Total 4, Current Page 1 of 1
1

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

EINECS 200-571-8
m-methylphenylurea
Urea,m-tolyl
N-(m-tolyl)urea
Urea,(3-methylphenyl)
1-(m-Tolyl)urea
3-Tolylurea
m-Tolylcarbamide
m-tolyl urea
3-Tolylcarbamide
Metatolylcarbamide
3-methylphenylurea
MFCD00025425

 m-tolylurea | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the safety information for (3-methylphenyl)urea?
A: Safety information for (3-methylphenyl)urea: S36.
Q: What is the polar surface area (PSA) of (3-methylphenyl)urea?
A: Polar surface area (PSA) of (3-methylphenyl)urea is 55.12000.
Q: What is the molecular formula of (3-methylphenyl)urea?
A: Molecular formula of (3-methylphenyl)urea is C8H10N2O.
Q: What are the upstream materials of (3-methylphenyl)urea?
A: Related upstream materials(CAS) of (3-methylphenyl)urea: 626-36-8;108-44-1;590-28-3;638-03-9;57-13-6;917-61-3;55591-33-8;85754-39-8;621-40-9;620-50-8.
Q: What is the LogP of (3-methylphenyl)urea?
A: LogP of (3-methylphenyl)urea is 2.25890.
Q: What is the boiling point of (3-methylphenyl)urea?
A: Boiling point of (3-methylphenyl)urea is 253.2ºC at 760 mmHg.
Q: What is the melting point of (3-methylphenyl)urea?
A: Melting point of (3-methylphenyl)urea is 138-143 °C.
Q: What is the CAS number of (3-methylphenyl)urea?
A: CAS number of (3-methylphenyl)urea is 63-99-0.
Q: What is the molecular weight of (3-methylphenyl)urea?
A: Molecular weight of (3-methylphenyl)urea is 150.17800.
Q: What English synonyms does (3-methylphenyl)urea have?
A: English synonyms of (3-methylphenyl)urea: EINECS 200-571-8, m-methylphenylurea, Urea,m-tolyl, N-(m-tolyl)urea, Urea,(3-methylphenyl), 1-(m-Tolyl)urea, 3-Tolylurea, m-Tolylcarbamide, m-tolyl urea, 3-Tolylcarbamide, Metatolylcarbamide, 3-methylphenylurea, MFCD00025425.

 m-tolylureafactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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