Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Acetic acid,2-(methylnitrosoamino)-, ethyl ester
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Purity: 98.0%
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13344-50-8

13344-50-8 structure

Name: Acetic acid,2-(methylnitrosoamino)-, ethyl ester
Chemical Name: ethyl 2-[methyl(nitroso)amino]acetate
CAS Number: 13344-50-8
Molecular Formula: C₅H₁₀N₂O₃
Molecular Weight: 146.14400
Create Date: 2016-03-17 19:14:03
Modify Date: 2025-08-25 01:17:13

Name	ethyl 2-[methyl(nitroso)amino]acetate
Synonyms	N-Methyl-N-nitroso-glycin-aethylester N-methyl-N-nitroso-glycine ethyl ester N-Nitrososarcosine,ethyl ester N-Nitroso-sarkosin-aethylester Nitrososarcosine ethyl ester Sarcosine,N-nitroso-,ethyl ester Ethyl (methylnitrosoamino)-acetate Ethyl-N-nitrososarcosinate N-Nitroso-N-methyl-glycin-ethylester Nitroso-sarkosin-aethylester

Density	1.14g/cm3
Boiling Point	253.3ºC at 760mmHg
Molecular Formula	C₅H₁₀N₂O₃
Molecular Weight	146.14400
Flash Point	107ºC
Exact Mass	146.06900
PSA	58.97000
LogP	0.16270
Vapour Pressure	0.0184mmHg at 25°C
Index of Refraction	1.465

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VQ3325000

CHEMICAL NAME :: Sarcosine, N-nitroso-, ethyl ester

CAS REGISTRY NUMBER :: 13344-50-8

BEILSTEIN REFERENCE NO. :: 1768504

LAST UPDATED :: 199612

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C5-H10-N2-O3

MOLECULAR WEIGHT :: 146.17

WISWESSER LINE NOTATION :: ONN1&1VO2

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 :: 4 gm/kg

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

REFERENCE :: ZEKBAI Zeitschrift fuer Krebsforschung. (Berlin, Fed. Rep. Ger.) V.1-75, 1903-71. For publisher information, see JCROD7. Volume(issue)/page/year: 69,103,1967

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4 gm/kg

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

REFERENCE :: ZEKBAI Zeitschrift fuer Krebsforschung. (Berlin, Fed. Rep. Ger.) V.1-75, 1903-71. For publisher information, see JCROD7. Volume(issue)/page/year: 69,103,1967 ** TUMORIGENIC DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4 gm/kg/16W-C

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

REFERENCE :: CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year: 47,179,1989

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3900 mg/kg/39W-I

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

REFERENCE :: ZEKBAI Zeitschrift fuer Krebsforschung. (Berlin, Fed. Rep. Ger.) V.1-75, 1903-71. For publisher information, see JCROD7. Volume(issue)/page/year: 69,103,1967

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 160 gm/kg/8W-I

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

REFERENCE :: JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC) V.61-79, 1978-87. For publisher information, see JNCIEQ. Volume(issue)/page/year: 71,75,1983

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 9700 mg/kg/28W-C

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

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 19,1077,1969

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 21 gm/kg/8W-I

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

REFERENCE :: PUMTAG Trace Substances in Environmental Health. Proceedings of University of Missouri's Annual Conference on Trace Substances in Environmental Health. (Environmental Trace Substances Research Center, Univ. of Missouri, Columbia, MO 65201) V.1- 1967- Volume(issue)/page/year: 16,355,1982

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 7900 mg/kg/23W-C

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

REFERENCE :: NATWAY Naturwissenschaften. (Springer-Verlag, Heidelberger Platz 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.1- 1913- Volume(issue)/page/year: 50,99,1963

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4250 mg/kg/17W-C

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

REFERENCE :: EKSODD Eksperimental'naya Onkologiya. Experimental Oncology. (V/O Mezhdunarodnaya Kniga, 113095 Mosow, USSR) V.1- 1979- Volume(issue)/page/year: 11(2),19,1989

HS Code	2922499990

52605-49-9

~91%

13344-50-8

Literature: Johnston; McCaleb Synthesis, 1984 , vol. NO. 4, p. 311 - 313

13200-60-7

13344-50-8

Literature: McElvain; Laughton Journal of the American Chemical Society, 1951 , vol. 73, p. 448,451

13200-60-7

80-11-5

13344-50-8

640-61-9

Literature: Garcia-Rio, Luis; Iglesias, Emilia; Leis, J. Ramon; Pena, M. Elena; Rios, Ana Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1993 , # 1 p. 29 - 37

Precursor 3
52605-49-9 13200-60-7 80-11-5
DownStream 0

HS Code	2922499990
Summary	HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

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