Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-Butyl-3-(3,4-dichlorophenyl)-1-methylurea
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

555-37-3

555-37-3 structure

555-37-3 structure

Name: 1-Butyl-3-(3,4-dichlorophenyl)-1-methylurea
Chemical Name: neburon
CAS Number: 555-37-3
Molecular Formula: C₁₂H₁₆Cl₂N₂O
Molecular Weight: 275.174
Catalog: analytical chemistry Standard Pesticides, veterinary drugs and fertilizers
Create Date: 2018-09-30 10:39:24
Modify Date: 2025-08-20 19:27:40

Name	neburon
Synonyms	Neburex EINECS 209-096-0 neburea MFCD00018140 Caswell No. 594 N-butyl-N’-(3,4-dichlorophenyl)-N-methylurea NEBURON 3-(3,4-Dichlorophenyl)-1-methyl-1-n-butylurea Urea, N-butyl-N'-(3,4-dichlorophenyl)-N-methyl- Kloben Granurex 1-Butyl-3-(3,4-dichlorophenyl)-1-methylurea

Density	1.3±0.1 g/cm3
Boiling Point	417.3±45.0 °C at 760 mmHg
Melting Point	103℃
Molecular Formula	C₁₂H₁₆Cl₂N₂O
Molecular Weight	275.174
Flash Point	206.2±28.7 °C
Exact Mass	274.063965
PSA	32.34000
LogP	4.38
Appearance	Solid \| Off-white
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.575

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YS3810000

CHEMICAL NAME :: Urea, 1-butyl-3-(3,4-dichlorophenyl)-1-methyl-

CAS REGISTRY NUMBER :: 555-37-3

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C12-H16-Cl2-N2-O

MOLECULAR WEIGHT :: 275.20

WISWESSER LINE NOTATION :: GR BG DMVN4&1

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 :: 1100 mg/kg

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

REFERENCE :: MDPGAA Mitteilungen der Deutschen Pharmazeutischen Gesellschaft. (Weinheim, Fed. Rep. Ger.) V.1-21, 1924-44; V.22-41, 1952-71. For publisher information, see ARPMAS. Volume(issue)/page/year: 40,29,1970

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >11 gm/kg

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

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C215,1991

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 180 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#03862

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn
Risk Phrases	22
Safety Phrases	S36
RIDADR	NONH for all modes of transport
RTECS	YS3810000

Precursor 5
590-28-3 110-68-9 18282-59-2 201230-82-2
95-76-1
DownStream 3
74-89-5 110-68-9 102-36-3

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