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structure of 7803-49-8

Hydroxylamine(CAS 7803-49-8)

CAS No.: 7803-49-8 Brand: MolBest
M. Ft.: H3NO Cat. No: G5733315
M. Wt.: 33.03 MDL: MFCD00044522
Storage: 2-8°C Use: For laboratory research use only
UN No.: UN 2735 8 /PG III
Purity Grade Package Stock Price Quantity
50 wt.% in Water
Documents:COASDS
RG 25ML In Stock 3 USD
50 wt.% in Water
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RG 500ML In Stock 41 USD
50 wt.% in Water
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RG 2.5L In Stock 196 USD
50 wt.% in Water
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RG 25L In Stock 1930 USD
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Physical and chemical properties of 7803-49-8

Acidity coefficient

pK (20°) 7.97

Boiling Point

107 °C

Decomposition

Decomposes rapidly at room temp. ... Decomposes in hot water.

Density

Density (at 20 °C): 1.12 g/cm³

Exact Mass

33.021465

Flash Point

explodes at 129 °C

Index of Refraction

1.395

LogP

-1.5

Melting Point

8 °C

Merck

13,4853

Molecular Formula

H3NO

Molecular Weight

33.030

PSA

46.25000

Solubility

1000g/L at 20°C in Water

Stability

Stable. Incompatible with oxidizing agents, potassium dichromate, chromium trioxide, zinc, calcium, copper, sodium, ammonia, carbonyls, phosphorus halides, pyridine, hypochlorites.

Storage condition

Store below +30°C.

Vapour density

Relative vapor density (air = 1): 1.1

Vapour Pressure

Vapor pressure, kPa at 20 °C: 1.4

Water Solubility

Miscible with water, liquid ammonia and methanol. Slightly miscible with ether, benzene, carbon disulfide and chloroform.

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Pictograms

Signal Word

Danger

Hazard Statements

H200 Unstable Explosive
H290 May be corrosive to metals
H302+H312 Harmful if swallowed or in contact with skin
H302 Harmful if swallowed
H312 Harmful in contact with skin
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
H335 May cause respiratory irritation
H351 Suspected of causing cancer
H373 May causes damage to organs through prolonged or repeated exposure
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects
H412 Harmful to aquatic life with long lasting effects

Safety Data Sheet

Q&A for CAS 7803-49-8

1. How can I verify product quality?
Every batch is tested in accordance with ISO 9001 requirements. We provide a Certificate of Analysis (COA), NMR spectrum, purity report, and test methods with each shipment. Third-party retesting is supported, and we offer a full refund if our data is incorrect.

2. What is the delivery time?
Orders are shipped on the second business day via FedEx, DHL, or UPS. International deliveries typically arrive within 7 business days (subject to customs clearance).

3. What if the received product doesn’t meet quality standards?
If the product does not match the COA or has a quality issue, we will issue a full refund or replacement upon verification.

4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged in compliance with international regulations and shipped with an up-to-date Safety Data Sheet (SDS) to ensure safe and compliant transport.

5. Do you offer technical support?
Yes. Our technical team is available to assist with questions about product use, storage, purity requirements, applications, and more.

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Yes, samples are available for select products for testing and validation. Please submit a sample request or contact our sales team to confirm availability and specifications.

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Items marked “In Stock” on our website are ready for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.

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Yes. We support customization of purity, packaging size, and special testing requirements. Please share your detailed needs, and we’ll provide a solution.

10. Is the COA consistent with the shipped batch?
Yes. The COA provided with your shipment matches the actual batch and includes the batch number. COAs shown online are for reference or from previous batches.

11. Do you support long-term supply agreements?
Yes. We offer stable batch consistency, pricing agreements, and safety stock options for long-term customers to ensure uninterrupted supply.

12. What payment methods do you accept?
We accept bank transfer (T/T), PayPal, and other methods. Credit terms may be available for qualified long-term partners.

Applications of 7803-49-8

Hydroxylamine has diverse applications across various fields:

  • Synthesis of Oximes: It is primarily used for converting aldehydes and ketones into oximes, which are important intermediates in organic synthesis.
  • Production of Nylon: Hydroxylamine is crucial in the production of epsilon-caprolactam from cyclohexanone oxime, a precursor for Nylon 6.
  • Reducing Agent: It serves as a powerful reducing agent in organic and inorganic reactions, including photographic developers.

Retrosynthesis analysis of 7803-49-8


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