Shanghai Nianxing Industrial Co., Ltd
China
Product Name: m-tolylurea
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Methylphenylurea
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

63-99-0

63-99-0 structure

63-99-0 structure

Name: m-tolylurea
Chemical Name: (3-methylphenyl)urea
CAS Number: 63-99-0
Molecular Formula: C₈H₁₀N₂O
Molecular Weight: 150.17800
Catalog: Chemical reagent Organic reagent Urea
Create Date: 2018-08-26 17:18:15
Modify Date: 2025-08-27 17:04:34

Name	(3-methylphenyl)urea
Synonyms	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

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

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

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

Precursor 10
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
DownStream 5
621-29-4 2028-72-0 85754-39-8 5544-33-2
620-50-8

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%

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