Name | 1-Naphthol |
Synonyms | Furro ER 1-naphtol 1-Naphthol a-Naphthol C.I. 76605 α-Maphthol 1-NAPHTHOL Fourrine 99 ALPHA NAPHTHOL 1-naphthalenol alpha-Naphthol 1-Naphthalenol Oxidation base 33 1-naphthol (alpha) Durafur developer D 1-Hydroxynaphthalene α-Hydroxynaphthalene C.I. Oxidation Base 33 1-napthol(alpha-napthol) |
CAS | 90-15-3 |
EINECS | 201-969-4 |
InChI | InChI=1/C10H8O/c11-10-7-3-5-8-4-1-2-6-9(8)10/h1-7,11H |
InChIKey | KJCVRFUGPWSIIH-UHFFFAOYSA-N |
Molecular Formula | C10H8O |
Molar Mass | 144.17 |
Density | 1.224 |
Melting Point | 94-96°C(lit.) |
Boling Point | 278-280°C(lit.) |
Flash Point | 125 °C |
Water Solubility | 436.7mg/L(25 ºC) |
Solubility | Soluble in alcohol, ether, benzene, chloroform and alkali solution, slightly soluble in water. |
Vapor Presure | 1 mm Hg ( 94 °C) |
Vapor Density | 4.5 (120 °C, vs air) |
Appearance | Colorless or yellow diamond crystal or powder |
Color | white to off-white |
Odor | Slight phenolic odor |
Maximum wavelength(λmax) | ['324nm(MeOH)(lit.)'] |
Merck | 14,6383 |
BRN | 1817321 |
pKa | 9.34(at 25℃) |
Storage Condition | Store below +30°C. |
Stability | Stable, but air and light sensitive - store under inert gas. Incompatible with strong bases, strong oxidizing agents. |
Sensitive | Air & Light Sensitive |
Explosive Limit | 5% |
Refractive Index | 1.6224 |
MDL | MFCD00003930 |
Physical and Chemical Properties | Properties: colorless or yellow rhomboid crystal or powder. There is an unpleasant smell of phenol.
|
Use | Used as a basic raw material or intermediate for dyes, pesticides, spices and rubber antioxidants and color film couplers |
Risk Codes | R21/22 - Harmful in contact with skin and if swallowed. R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S2 - Keep out of the reach of children. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | UN 2811 6.1/PG 3 |
WGK Germany | 1 |
RTECS | QL2800000 |
FLUKA BRAND F CODES | 8-23 |
TSCA | Yes |
HS Code | 29071510 |
Hazard Class | 6.1 |
Packing Group | III |
Toxicity | LD50 orally in Rabbit: 1870 mg/kg LD50 dermal Rabbit 880 mg/kg |
Downstream Products | 1-Hydroxy-2-naphthoic acid Napropamide (25%) Mordant Black T |
Reference Show more | Liu Sheng, Zheng Tian-yan, Gao Min, Hui Ai-ling, Zhang Wen-Cheng, Zhang Hua-wei, dubiao. Effects of different extraction methods on content and structural characteristics of okra pectin [J]. Modern Food Science and Technology 2019 35(03):161-168. |