4-amino-1-naphthol
- Product Name
- 4-amino-1-naphthol
- CAS No.
- 2834-90-4
- Chemical Name
- 4-amino-1-naphthol
- Synonyms
- 1-Amino-4-naphthol;4-amino-1-naphthol;4-Amino-1-naphthalenol;4-azanylnaphthalen-1-ol;1-Amino-4-hydroxynaphthalene
- CBNumber
- CB1863462
- Molecular Formula
- C10H9NO
- Formula Weight
- 159.18
- MOL File
- 2834-90-4.mol
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P310Immediately call a POISON CENTER or doctor/physician.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P362Take off contaminated clothing and wash before reuse.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- FA05812
- Product name
- 4-Amino-1-naphthol
- Packaging
- 5mg
- Price
- $50
- Updated
- 2021/12/16
- Product number
- FA05812
- Product name
- 4-Amino-1-naphthol
- Packaging
- 10mg
- Price
- $75
- Updated
- 2021/12/16
- Product number
- FA05812
- Product name
- 4-Amino-1-naphthol
- Packaging
- 25mg
- Price
- $150
- Updated
- 2021/12/16
- Product number
- 9765AL
- Product name
- 4-aminonaphthalen-1-ol
- Packaging
- 100mg
- Price
- $249
- Updated
- 2021/12/16
- Product number
- FA05812
- Product name
- 4-Amino-1-naphthol
- Packaging
- 50mg
- Price
- $250
- Updated
- 2021/12/16
4-amino-1-naphthol Chemical Properties,Usage,Production
Chemical Properties
Acicular crystals. Soluble in water.
Uses
Inhibitor of polymerization, chemical intermediate. Must be kept dry during storage to avoid oxidation and discoloration.
Production Methods
Orange I in aqueous alkaline solution is treated with sodium dithionite at 40 – 50℃, and the resulting suspension is heated to 70℃ to complete the reaction. The crude product is collected by filtration and dissolved in hot aqueous hydrochloric acid in the presence of a reducing agent. On cooling, needles of the hydrochloride salt crystallize and can be isolated in 70 % yield. Alternatively, the crude paste may be dissolved in dilute alkali in the presence of a reducing agent and acylated with acetic anhydride or acryloyl chloride, for example, to give 4- acetylamino-1-naphthol or 4-acryloylamino-1- naphthol, which have been used as azo coupling components.
4-amino-1-naphthol Preparation Products And Raw materials
Raw materials
Preparation Products
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