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

930-55-2

930-55-2 structure

Name: NPYR
Chemical Name: 1-Nitrosopyrrolidine
CAS Number: 930-55-2
Molecular Formula: C₄H₈N₂O
Molecular Weight: 100.119
Catalog: analytical chemistry Standard Agricultural and environmental standards
Create Date: 2018-03-29 08:00:00
Modify Date: 2026-06-30 22:00:50

Name	1-Nitrosopyrrolidine
Synonyms	Nitrosamine Mixture for HJ 6 2000 μg/mL in Methanol A Method 521 Nitrosamines Mixture 338 1000 μg/mL in Dichloromethane 1-NITROSOPYRROLIDINE GB/-2009 Nitrosamines Mixture 137 100 μg/mL in Methanol N-Nitrosopyrrolidine@100 μg/mL in Dichloromethane Nitrosamines Mixture 1013 2000 μg/mL in Dichloromethane n-pyr n-n-pyr Pyrrolidine, 1-nitroso N-nitrosopyrrolidineSolution,100mg/L tetrahydro-n-nitroso-pyrrol NPY1-R N-Nitrosopyrrolidine in dichloromethane 1-Pyrrolidinamine, N-nitroso 1-nitroso-pyrrolidin N-Nitrosopyrrolidin 1-Nitrosopyrrolidine（NPYR） N-NITROSOPYRROLIDINE Nitrosamine Mixture 251 1000 μg/mL in Ethanol A 8270C Nitrosamines Mix 400 μg/L n-nitrosopyrrolidin[german] N-Nitrosopyrolidine NPY1R rcrawastenumberu180 N-nitroso-pyrrolidine NPYR3,7 A Method 8270 Nitrosamines Mixture 339 2000 μg/mL in Methanol n-nitroso-1-pyrrolidinamin Nitrosamines Mix 100 mg/L No-Pyr Neuroptide Y rector type 1 N-Nitrosopyrrolidine@5.0 mg/mL in MeOH 1-Nitrosopyrrolidine,N-Nitrosopyrrolidine, NPYR EINECS 213-218-8 N-nitropyrrolidine N-NITROSOPYRROLIDINE ISOPAC Nitrosopyrrolidine N-NITROSOPYRROLIDINE (NPYR) SOLUTION N-nitrosopyrrolidine MFCD00003166 NPYY1

Density	1.2±0.1 g/cm3
Boiling Point	214.0±9.0 °C at 760 mmHg
Molecular Formula	C₄H₈N₂O
Molecular Weight	100.119
Flash Point	83.3±0.0 °C
Exact Mass	100.063660
PSA	32.67000
LogP	-0.15
Vapour Pressure	0.2±0.4 mmHg at 25°C
Index of Refraction	1.565
Storage condition	Refrigerator

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UY1575000

CHEMICAL NAME :: Pyrrolidine, 1-nitroso-

CAS REGISTRY NUMBER :: 930-55-2

BEILSTEIN REFERENCE NO. :: 0107615

LAST UPDATED :: 199801

DATA ITEMS CITED :: 52

MOLECULAR FORMULA :: C4-H8-N2-O

MOLECULAR WEIGHT :: 100.14

WISWESSER LINE NOTATION :: T5NTJ ANO

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 :: 900 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 :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 125 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 :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 125 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 :: Oral

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 1023 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 :: 476 mg/kg/3.3Y-C

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3235 mg/kg/92W-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg/7W-I

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 396 mg/kg/72W-I

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 465 mg/kg/52W-C

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 1602 mg/kg/25W-I

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Lungs, Thorax, or Respiration - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 1602 mg/kg/25W-I

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Lungs, Thorax, or Respiration - tumors

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 798 mg/kg/25W-I

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Lungs, Thorax, or Respiration - tumors

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1350 mg/kg/30W-C

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 704 mg/kg/39W-C

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 792 mg/kg/2Y-I

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Tumorigenic - increased incidence of tumors in susceptible strains

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2250 mg/kg/50W-I

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 685 mg/kg/98W-C

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1599 mg/kg/76W-C

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4380 mg/kg/52W-C

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 1049 mg/kg/64W-C

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4033 mg/kg/62W-C

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

TYPE OF TEST :: Specific locus test

TYPE OF TEST :: DNA damage

MUTATION DATA

TYPE OF TEST :: Unscheduled DNA synthesis

TEST SYSTEM :: Rodent - hamster Liver

DOSE/DURATION :: 100 umol/L

REFERENCE :: ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 5,1,1983 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 17,313,1978 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 17,313,1978 IARC Cancer Review:Group 2B IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FRANCE;Carcinogen JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-SWITZERLAND;Carcinogen JAN 1993

Symbol	GHS07, GHS08
Signal Word	Warning
Hazard Statements	H302-H351
Precautionary Statements	P281
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn: Harmful;
Risk Phrases	40
RIDADR	2810
WGK Germany	3
RTECS	UY1575000
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2933990090

Precursor 10
123-75-1 110-60-1 120-94-5 73722-93-7
563-70-2 694-00-8 25924-78-1 80-11-5
543-67-9 544-16-1
DownStream 7
5371-52-8 123-75-1 16596-41-1 3760-55-2
66162-29-6 66162-38-7 5455-25-4

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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