Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Pyridinamine, 1-oxide
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Purity: 98.0%
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3535-75-9

3535-75-9 structure

3535-75-9 structure

Name: 4-Aminopyridine N-Oxide
Chemical Name: 1-hydroxypyridin-4-imine
CAS Number: 3535-75-9
Molecular Formula: C₅H₆N₂O
Molecular Weight: 110.11400
Create Date: 2018-03-02 08:00:00
Modify Date: 2026-08-04 08:19:02

Name	1-hydroxypyridin-4-imine
Synonyms	4-Aminopyridine N-Oxide(Dalfampridine Impurity 2) 4-AMINO-N-OXIDYRIDINE 1-Oxy-[4]pyridylamin 1-oxy-[4]pyridylamine 4-AMINOPYRIDINE1-OXIDE 1-oxy-pyridin-4-ylamine Dalfampridine Impurity 2 4-aminopyridine-1-oxide 4-Pyridinamine 1-Oxide pyridin-4-amine 1-oxide Dalfampridine N-Oxide Pyridine,N-oxide Phillips 1863 4-Pyrimidinamine 1-oxide Fampridine N-Oxide (4-Aminopyridine N-Oxide) Phillips-1863 Pyridine-4-amine 1-oxide

Density	1.23g/cm3
Boiling Point	218ºC at 760mmHg
Molecular Formula	C₅H₆N₂O
Molecular Weight	110.11400
Flash Point	85.7ºC
Exact Mass	110.04800
PSA	51.48000
LogP	1.27850
Index of Refraction	1.583

CHEMICAL IDENTIFICATION

RTECS NUMBER :: US2100000

CHEMICAL NAME :: Pyridine, 4-amino-, 1-oxide

CAS REGISTRY NUMBER :: 3535-75-9

BEILSTEIN REFERENCE NO. :: 0107584

LAST UPDATED :: 199712

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C5-H6-N2-O

MOLECULAR WEIGHT :: 110.13

WISWESSER LINE NOTATION :: T6NJ AO DZ

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 :: 75 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,315,1972

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - wild bird species

DOSE/DURATION :: 85 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,315,1972

Precursor 7
1124-33-0 10296-38-5 100-61-8 7664-41-7
7783-06-4 64-17-5 7803-57-8
DownStream 4
504-24-5 1131-61-9 13520-96-2 83237-34-7

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