Shanghai Nianxing Industrial Co., Ltd
China
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-Butanamine,N-ethyl-N-nitroso-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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4549-44-4

4549-44-4 structure

4549-44-4 structure

Name: 1-Butanamine,N-ethyl-N-nitroso-
Chemical Name: N-butyl-N-ethylnitrous amide
CAS Number: 4549-44-4
Molecular Formula: C₆H₁₄N₂O
Molecular Weight: 130.18800
Create Date: 2018-09-27 17:44:43
Modify Date: 2025-09-18 10:07:58

Name	N-butyl-N-ethylnitrous amide
Synonyms	Ethylbutylnitrosamine N-Nitrosoethyl-N-butylamine N-Ethyl-N-butylnitrosamine Nitrosoethylbutylamine N-Ethyl-N-nitrosobutylamine Aethyl-n-butylnitrosamin N-nitroso-N-ethylbutylamine N-Nitroso-N-ethylbutylamine N-Butyl-N-ethylnitrosamine Ethyl-N-butylnitrosamine N-Nitroso-N-butylethylamine Butanamine,N-ethyl-N-nitroso Butylamine,N-ethyl-N-nitroso N-Nitroso-ethyl-butylamin Ethyl-n-butyl-nitrosamin N-nitrosoethylbutylamine Ethyl-butyl-nitroso-amin

Density	0.93g/cm3
Boiling Point	213ºC at 760mmHg
Molecular Formula	C₆H₁₄N₂O
Molecular Weight	130.18800
Flash Point	82.6ºC
Exact Mass	130.11100
PSA	32.67000
LogP	1.78980
Index of Refraction	1.451

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EO5075000

CHEMICAL NAME :: Butylamine, N-ethyl-N-nitroso-

CAS REGISTRY NUMBER :: 4549-44-4

LAST UPDATED :: 199612

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C6-H14-N2-O

MOLECULAR WEIGHT :: 130.22

WISWESSER LINE NOTATION :: ONN4&2

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 :: 380 mg/kg

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

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 380 mg/kg

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 630 mg/kg/14W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Gastrointestinal - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1000 mg/kg/40W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1 gm/kg/20W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2360 mg/kg/34W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1000 mg/kg/29W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors

MUTATION DATA

TEST SYSTEM :: Rodent - mouse

DOSE/DURATION :: 20 gm/kg

REFERENCE :: ARGEAR Archiv fuer Geschwulstforschung. (VEB Verlag Volk und Gesundheit Neue Gruenstr. 18, Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1949- Volume(issue)/page/year: 51,605,1981

Hazard Codes	Xn: Harmful;
Risk Phrases	22
WGK Germany	3
RTECS	EO5075000
HS Code	2928000090

61278-96-4 structure

61278-96-4

~%

4549-44-4 structure

4549-44-4

Literature: Wawzonek,S. et al. Journal of Organic Chemistry, 1963 , vol. 28, p. 2376 - 2378

13360-63-9 structure

13360-63-9

~%

4549-44-4 structure

4549-44-4

Literature: Preussmann,R. Chemische Berichte, 1962 , vol. 95, p. 1571 - 1572

Precursor 2
61278-96-4 13360-63-9
DownStream 0

HS Code	2928000090
Summary	2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

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