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BGC » Chemicals A-Z » Hydroxylamine-O-sulfonic acid
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Hydroxylamine-O-sulfonic acid

BGC Id:210294185791
CAS No:2950-43-8
Synonyms:tbx5 ; ztbx5 ; hosa ; fbw1b ; tbx5a ; fbw11 ; fbxw1b ; tbx5.1 ; hos ; haos
Molecular Formula:H3NO4S
Molecular Weight:113.09
EINECS:220-971-6
Structural Formula

Verified providers in 2025

The following 17 notable providers have been checked and can be recommended.
Chemical-Suppliers
Unilong Industry
  • Vapor pressure : 0-53.329Pa at 25-39℃
  • Density : 2.2 g/cm3 (20℃)
  • PH : 0.8 (100g/l, H2O, 20℃)
  • Storage conditions : 2-8°C
  • MW : 113.09
  • pKa : -6.47±0.18(Predicted)

  • Chemical-Suppliers
    Leap Chem
    Molecular Formula: H3NO4S Molecular Weight: 113.09 Hazard Symbols: C,N UN Number: UN 3260 8/PG 3 WGKGermany: 3 PackingGroup: III HS Code: 28111980

    The last intensive check and update was carried out on 2025/11/10.

    Identify

    Synonyms:
    tbx5 ; ztbx5 ; hosa ; fbw1b ; tbx5a ; fbw11 ; fbxw1b ; tbx5.1 ; hos ; haos
    CAS:
    2950-43-8
    EINECS:
    220-971-6
    Molecular Formula:
    H3NO4S
    MDL:
    MFCD00011604

    Properties

    Molecular Weight:
    113.09 g·mol−1
    Density:
    ~2.0 g/cm3 (Predicted)
    Melting point:
    210 °C (dec.)(lit.)
    Boiling point:
    614.72° C (Predicted)
    Solubility:
    Soluble in water (675 mg/ml).
    Physical Description:
    white to slightly beige crystalline powder
    download Download Molfile

    Suppliers

    Beckmann-Kenko GmbH

    Company type: Internat. trading company
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    Country: Germany   Phone: +49 4241 9308-0   Telefax: +49 4241 9308-30

    Richman Chemical Inc.,

    Country: USA
    Phone: +1-215-628-2946
    Telefax: +1-215-628-4262
    For over 17 years, Richman Chemical, Inc. (RCI) has been providing project management, custom manufacturing and sourcing services to the chemical and life sciences industries. RCI has an extensive chemical and pharmaceutical raw material and intermediate product range. Because of its widespread custom/contract services activities, RCI can offer customers access to its extensive network of worldwide suppliers.

    Simagchem Corporation

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    Company type: Bulk chemical producer
    Country: P.R.China
    Phone: +86 592 2680 277
    Telefax: +86 592 2680 237

    Unilong Industry Co.,Ltd

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    1,1,1,3,3,3-Hexafluoroisopropyl acrylate is also served by Unilong Industry Co.,Ltd.
    Country: P.R.China   Phone: +86-15668417750   Telefax: +86-531-55690079

    Hangzhou Verychem Science & Technology Co., Ltd.

    Company type: Producer
    Country: P.R.China
    Phone: +86-571-8816 2785
    Telefax: +86-571-81906939
    Hangzhou Verychem Science And Technology Co. Ltd. is a technology based company located in the city of Hangzhou, combined with and technologically directed by Zhejiang Industry University and Shengyang Pharmaceutical College. Hangzhou Verychem Science & Technology Co., Ltd. also offers 15S-(±)-cloprostenol. Though Verychem is a young company, but it's a booming company with dynamic vigor and prosperous prospect. Verychem develops and manufactures latest pharmaceuticals, special fine chemicals and some of the developed projects have been technologically tran ...

    H&Z Industry Co.,Ltd

    H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. With about 10 years experiences in this field, now we are a capable provider of customized product, and we can provide gram level to ton level of products. What we can give to customers: thoughtful services, high-quality products, competitive price, Looking forward building long-term cooperative relationships with our business partners. We provide Sodium hexametaphosphate as well.
    Country: P.R.China
    Phone: +86 13583185792
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    Lori Industry Co., Ltd

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    Telefax: +86 571 88282557
    Hangzhou Meite Industry Co., Ltd. is an international high-tech enterprise founded in 1998, specialized in R&D and manufacture on intermediates, medicines, agrochemical, dyestuff, flavor, fragrance, cosmetic, natural extracts series products. We have an efficient R&D centre, get a strong technical support from Zhejiang University of Technology and Institute of Chemistry, Wuhan Branch, Chinese Academy of Sciences. Additionally 2-(Aminomethyl)pyridine is supplied by us. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...

    Finetech Industry Limited

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    Dayang Chem (Hangzhou) Co.,Ltd.

    Company type: Leading producer
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    Country: P.R.China   Phone: +86-571-88938639   Telefax: +86-571-8893-8652

    Carbone Scientific Co., Ltd.

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    Country: U.K.
    Phone: +44 (0)203 769 4441 ext 1
    Telefax: +44 (0)203 769 4441 ext 2
    Carbone scientific is located at London, UK. We are supplier of 3-(Hydroxymethyl)cyclobutan-1-one. We are mainly engaged in the marketing development, R&D, technical support and service. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide. Our online catalogue has already listed over 50 ...

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    AK Scientific, Inc.

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    Skyrun Industrial Co., Ltd.

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    Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. We have expanded a compositive entity from initially only as a small manufacturer. We have extensive knowledge of domestic and international pharmaceutical markets. We sell 2,6-Dihydroxybenzoic acid as well. Our working range can be start from small amount in research stage to big bulk for industrial produc ...

    Leap Chem Co., Ltd

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    BIOZOL Diagnostica Vertrieb GmbH

    Company type: Supplier of chemical products
    Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. 2-Bromo-1,3,5-trichlorobenzene is also served by BIOZOL Diagnostica Vertrieb GmbH. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We are supplying and producing lab quantities from tiny qua ...
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    BuGuCh & Partners

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    Safety Information

    Hazard Classes:
    8
    Risk Codes:
    34-50-43-40-22 (R)
    Safety Codes:
    26-36/37/39-45-61-28A-27-22 (S)
    WGK Germany:
    3
    RID / ADR:
    UN 3260 8 / PG 3
    RTECS:
    NC5427000
    Storage temperature:
    2-8°C

    What other providers are available for CAS 2950-43-8?

    In addition to the providers presented here for Hydroxylamine-O-sulfonic acid with the CAS number 2950-43-8, there are other 3 providers with slightly different product names available for this CAS number.

    +2 additional providers that we know from the past
    +1 additional providers that we know from the past




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