A3127712
2,3-Dihydroxynaphthalene , 98% , 92-44-4
Synonym(s):
2,3-Dihydroxynaphthalene;2,3-Naphthalenediol
CAS NO.:92-44-4
Empirical Formula: C10H8O2
Molecular Weight: 160.17
MDL number: MFCD00004073
EINECS: 202-156-7
Pack Size | Price | Stock | Quantity |
25G | RMB68.80 | In Stock |
|
100G | RMB204.80 | In Stock |
|
250G | RMB511.20 | In Stock |
|
500G | RMB856.00 | In Stock |
|
others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
Melting point: | 161-165 °C (lit.)
162-164 °C |
Boiling point: | 246.06°C (rough estimate) |
Density | 1.0924 (rough estimate) |
vapor pressure | 0.8 hPa (149 °C) |
refractive index | 1.5178 (estimate) |
Flash point: | 175 °C |
storage temp. | Store below +30°C. |
solubility | 4g/l |
pka | 9.10±0.40(Predicted) |
form | Powder |
color | White to pinkish to beige-grayish |
PH | 6 (1g/l, H2O, 20℃) |
Water Solubility | slightly soluble |
BRN | 742375 |
CAS DataBase Reference | 92-44-4(CAS DataBase Reference) |
NIST Chemistry Reference | 2,3-Naphthalenediol(92-44-4) |
EPA Substance Registry System | 2,3-Naphthalenediol (92-44-4) |
Description and Uses
2,3-Dihydroxynaphthalene is used in making dyes, pigments, fluorescent whiteners, tanning agents, antioxidants, and antiseptics.
Safety
Symbol(GHS) | GHS05,GHS07 |
Signal word | Danger |
Hazard statements | H302-H318 |
Precautionary statements | P264-P270-P280-P301+P312-P305+P351+P338-P501 |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26-37/39 |
WGK Germany | 3 |
RTECS | QJ4750000 |
F | 10-23 |
Autoignition Temperature | >330 °C |
TSCA | Yes |
HS Code | 29072900 |
Toxicity | LD50 orally in Rabbit: 970 mg/kg |