Hydroxylamine

Modify Date: 2025-08-22 12:51:35

Hydroxylamine structure	Common Name	Hydroxylamine
	CAS Number	7803-49-8	Molecular Weight	33.030
	Density	1.1±0.1 g/cm3	Boiling Point	56.5±9.0 °C at 760 mmHg
	Molecular Formula	H₃NO	Melting Point	7°C
	MSDS	Chinese USA	Flash Point	N/A
	Symbol	GHS05, GHS07, GHS08, GHS09	Signal Word	Danger

Name	hydroxylamine
Synonym	More Synonyms

Density	1.1±0.1 g/cm3
Boiling Point	56.5±9.0 °C at 760 mmHg
Melting Point	7°C
Molecular Formula	H₃NO
Molecular Weight	33.030
Exact Mass	33.021465
PSA	46.25000
LogP	-0.81
Vapour Pressure	179.1±0.2 mmHg at 25°C
Index of Refraction	1.395
Stability	Stable. Incompatible with oxidizing agents, potassium dichromate, chromium trioxide, zinc, calcium, copper, sodium, ammonia, carbonyls, phosphorus halides, pyridine, hypochlorites.

Hydroxylamine MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NC2975000

CHEMICAL NAME :: Hydroxylamine

CAS REGISTRY NUMBER :: 7803-49-8

LAST UPDATED :: 199710

DATA ITEMS CITED :: 49

MOLECULAR FORMULA :: H3-N-O

MOLECULAR WEIGHT :: 33.04

WISWESSER LINE NOTATION :: ZQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 59 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 - rat

DOSE/DURATION :: 29 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 :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 60 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 :: Unreported

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 175 mg/kg

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

TYPE OF TEST :: Sex chromosome loss and nondisjunction

MUTATION DATA

TYPE OF TEST :: Cytogenetic analysis

TEST SYSTEM :: Human Leukocyte

DOSE/DURATION :: 25 mg/L

REFERENCE :: CBINA8 Chemico-Biological Interactions. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1969- Volume(issue)/page/year: 6,375,1973 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84783 No. of Facilities: 116 (estimated) No. of Industries: 3 No. of Occupations: 5 No. of Employees: 1722 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84783 No. of Facilities: 112 (estimated) No. of Industries: 5 No. of Occupations: 9 No. of Employees: 2689 (estimated) No. of Female Employees: 1481 (estimated)

Symbol	GHS05, GHS07, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H290-H302-H315-H317-H318-H335-H351-H373-H400
Precautionary Statements	P261-P273-P280-P305 + P351 + P338
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;N:Dangerousfortheenvironment;
Risk Phrases	R5;R22;R37/38;R41;R43;R48/22;R50
Safety Phrases	S23-S26-S36/37/39-S47-S61-S22
RIDADR	UN 3082 9/PG 3
WGK Germany	3
RTECS	NC2975000
Packaging Group	II
Hazard Class	8

Precursor 10
CAS#:7697-37-2 nitric acid CAS#:5470-11-1 Hydroxyamine hy... CAS#:1310-58-3 Potassium hydroxide CAS#:865-47-4 potassium t-butoxide
CAS#:2372-45-4 sodium butoxide CAS#:7631-99-4 sodium nitrate CAS#:7732-18-5 Water CAS#:7632-00-0 Sodium nitrite
CAS#:10102-43-9 nitric oxide CAS#:7664-41-7 Ammonia
DownStream 10
CAS#:3349-63-1 2-Indanone oxime CAS#:557-30-2 glyoxime CAS#:4570-41-6 Benzooxazol-2-y... CAS#:2843-27-8 Formamide,N-(2-...
CAS#:574-66-3 Benzophenone oxime CAS#:75-00-3 monochloroethane CAS#:93-89-0 Ethyl benzoate CAS#:607-23-8 2-nitro-1-napht...
CAS#:42937-74-6 Propanedioic ac... CAS#:489-98-5 Benzenamine,2,4...

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Delays between tissue collection and tissue fixation result in ischemia and ischemia-associated changes in protein phosphorylation levels, which can misguide the examination of signaling pathway statu...

MFCD00044522

Hydroxylamine

EINECS 232-259-2

hydroxyl amine

Hydroxylamine solution

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Hydroxylamine
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Hydroxylamine
Price: ￥268.0/25ml
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: hydroxylamine
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Hydroxylamine
Price: ￥Inquiry/25kg
Purity: 50.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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Hydroxylamine

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Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

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Synthetic Route

Precursor & DownStream

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Synonyms

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