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

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

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Hydroxylamine-O-Sulfonic Acid
Price: ￥Inquiry/1kg ￥Inquiry/25kg ￥Inquiry/200kg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Wang Jie
Email: 3096638339@qq.com

2950-43-8

2950-43-8 structure

Name: Hydroxylamine-O-Sulfonic Acid
Chemical Name: amino hydrogen sulfate
CAS Number: 2950-43-8
Molecular Formula: H₃NO₄S
Molecular Weight: 113.093
Catalog: Chemical reagent Organic reagent Sulfonic acid/sulfinic acid
Create Date: 2018-04-06 08:00:00
Modify Date: 2026-07-12 13:38:32

Name	amino hydrogen sulfate
Synonyms	tbx5a permonosulfamicacid hydroxylamino-O-sulfonic acid O-hydroxylaminesulfonic acid o-hydroxylammoniumsulfonate FBXW1B sulfoperamidicacid Aminomonopersulfuric acid zTbx5 amine-O-suL tbx5.1 Hydroxylamine-O-sulfonic acid (6CI, 7CI, 8CI, 9CI) Hydroxyamine sulfonic acid HYDROXYLAMINE-O-SULFONIC ACID Monoclonal Anti-TBX5 antibody produced in mouse haos Sulfamic acid N-oxide amidosulfonieracid O-Sulfohydroxylamine Permonosulfamic acid Anti-FBXW11 antibody produced in rabbit HydroxylaMine-O-sulfonic acid (HOSA) HAOS amidoperoxymonosulfuricacid Sulfoperamidic acid Hydrozylamine-0-Sulfonic Acid Sulfane, (aminooxy)hydroxy-, dioxide hyroxyl amine -o-sulfonic acid Aminosulfuric acid aminomonopersulfuricacid (Aminooxy)(hydroxy)sulfane dioxide Amino hydrogen sulphate Amidosulfonic peracid hydroxylamine sulfonic acid (Aminooxy)(hydroxy)sulfane-dioxyde hydroxylamine-o-sulphonic acid MFCD00011604 HYDROXYLAMMONIUM-O-SULFONIC ACID HYDROXYLAMINE-D-SULFONIC ACID Hydroxylamine-O-sulfonicacid hydroxylamine O-sulfonic acid HYDROXYLAMINESULFONIC ACID Hydroxylamine-O-sulf (Aminooxy)(hydroxy)sulfan-dioxid EINECS 220-971-6 TBX5 HOS Cells Line (Aminooxy)(hydroxy)sulphane dioxide Anti-tbx5a antibody produced in rabbit Hydraxylamine-O-SulphonicAcid Fbw11 FBW1B HydroxylaMine-0-sulfonic acid (Sulfooxy)amine Sulfuricacid, Monoazanyl ester Hydroxylamine-O-sulfonicAcid> HYDROXYLAMINE-O-SULPHONIC ACID

Density	2.0±0.1 g/cm3
Melting Point	210 °C (dec.)(lit.)
Molecular Formula	H₃NO₄S
Molecular Weight	113.093
Exact Mass	112.978279
PSA	98.00000
LogP	-0.96
Index of Refraction	1.534
Storage condition	2-8°C
Water Solubility	soluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NC5427000

CHEMICAL NAME :: Hydroxylamine-O-sulfonic acid

CAS REGISTRY NUMBER :: 2950-43-8

LAST UPDATED :: 199806

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: H3-N-O4-S

MOLECULAR WEIGHT :: 113.10

WISWESSER LINE NOTATION :: ZOSWQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: DNA damage

TEST SYSTEM :: Microorganism - not otherwise specified

DOSE/DURATION :: 1900 umol/L

REFERENCE :: CBINA8 Chemico-Biological Interactions. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1969- Volume(issue)/page/year: 7,195,1973

Symbol	GHS05
Signal Word	Danger
Hazard Statements	H314
Precautionary Statements	P280-P305 + P351 + P338-P310
Personal Protective Equipment	Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	C:Corrosive;N:Dangerousfortheenvironment;
Risk Phrases	R22;R34;R40;R43;R50
Safety Phrases	S26-S36/37/39-S45-S61-S28A
RIDADR	UN 3260 8/PG 3
WGK Germany	3
RTECS	NC5427000
Packaging Group	III
Hazard Class	8
HS Code	28111980

779261-61-9

2950-43-8

Literature: Ber., , vol. 39, p. 245 - 248

7446-11-9

7803-49-8

2950-43-8

Literature: Goehring, M.; Zahn, H. K. A. Chemische Berichte, 1956 , vol. 89, p. 179 - 186 Full Text Show Details Gmelin Handbook: S: SVol.3, 3.1.7.5.2.3, page 289 - 289

75-52-5

7446-11-9

2950-43-8

Literature: Z. Anorg. Chem., , vol. 297, p. 311 - 314

7790-94-5

5470-11-1

7647-01-0

2950-43-8

Literature: Ber., , vol. 47, p. 1221 - 1229

75-52-5

7446-11-9

124-38-9

5329-14-6

Detail

Literature: Zeitschrift fuer Anorganische und Allgemeine Chemie, , vol. 297, p. 311 - 314 S: SVol.3, 3.1.7.7.4, page 316 - 318

Precursor 6
779261-61-9 7446-11-9 7803-49-8 75-52-5
7790-94-5 5470-11-1
DownStream 10
4806-79-5 53406-38-5 31529-46-1 141287-47-0
1500-92-1 51454-63-8 7664-93-9 7803-49-8
133541-45-4 16849-88-0

HS Code	2922199090
Summary	2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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