The IUPAC name of Hydroxylamine-O-sulfonic acid is amino hydrogen sulfate. With the CAS registry number 2950-43-8 and EINECS 220-971-6, it is also named as Amidosulfonic peracid. The product's categories are Pharmaceutical Intermediates; Amination; Hydroxylamines; Hydroxylamines (O-Substituted); Synthetic Organic Chemistry; Organic Building Blocks; Sulfonic / Sulfinic Acids; Sulfur Compounds. It is white to slightly beige crystalline powder which is soluble in water and methanol, slightly soluble in ethanol, insoluble in chloroform, carbon tetrachloride, ether or ethyl acetate. Additioanlly, this chemical should be sealed in the container and stored in the cool and dry place with the temperature of 2-8 °C.

The other characteristics of this product can be summarized as:(1)ACD/LogP: -0.96; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -4.46; (4)ACD/LogD (pH 7.4): -4.46; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)#H bond acceptors: 5; (8)#H bond donors: 3; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 64.22 Å²; (11)Index of Refraction: 1.534; (12)Molar Refractivity: 17.75 cm³; (13)Molar Volume: 57.1 cm³; (14)Polarizability: 7.03×10^-24 cm³; (15)Surface Tension: 100.3 dyne/cm; (16)Rotatable Bond Count: 1; (17)Exact Mass: 112.978278; (18)MonoIsotopic Mass: 112.978278; (19)Topological Polar Surface Area: 98; (20)Heavy Atom Count: 6; (21)Complexity: 104.

Preparation and Uses of Hydroxylamine-O-sulfonic acid: It can be obtained by (NH₃OH)₂SO₄ and H₂SO₄·SO₃: (NH₃OH)₂SO₄ + 2H₂SO₄·SO₃→2NH₂OSO₃H + 3H₂SO_4. This chemical is used as intermediate in pharmaceutical and pesticide. It is also used as polymerization catalysts and amination reagent. Besides, it can react with alkali to get HN=NH.

When you are using this chemical, please be cautious about it as the following:
It is not only harmful if swallowed. but also may cause sensitization by skin contact. It also has limited evidence of a carcinogenic effect and is very toxic to aquatic organisms. So people should not breathe dust. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. After using it, take off immediately all contaminated clothing. Besides, after contact with skin, wash immediately with plenty of soap-suds. If you want to contact this product, you must wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) Avoid release to the environment. Refer to special instructions / safety data sheets.

People can use the following data to convert to the molecule structure.
1. SMILES:O=S(=O)(O)ON
2. InChI:InChI=1/H3NO4S/c1-5-6(2,3)4/h1H2,(H,2,3,4)
3. InChIKey:DQPBABKTKYNPMH-UHFFFAOYAF