BD0270753
3-Hydroxy-2-naphthohydrazide , 98% , 5341-58-2
Synonym(s):
3-Hydroxy-2-naphthydrazide
CAS NO.:5341-58-2
Empirical Formula: C11H10N2O2
Molecular Weight: 202.21
MDL number: MFCD00004097
EINECS: 226-282-7
Pack Size | Price | Stock | Quantity |
5g | RMB82.40 | In Stock |
|
25g | RMB260.00 | In Stock |
|
100g | RMB914.40 | In Stock |
|
others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
Melting point: | 205-208 °C (lit.)
205-208 °C |
Boiling point: | 340.32°C (rough estimate) |
Density | 1.352 |
refractive index | 1.5300 (estimate) |
pka | 8.86±0.40(Predicted) |
form | Powder |
color | Beige |
BRN | 395153 |
CAS DataBase Reference | 5341-58-2(CAS DataBase Reference) |
EPA Substance Registry System | 2-Naphthalenecarboxylic acid, 3-hydroxy-, hydrazide (5341-58-2) |
Description and Uses
3-Hydroxy-2-naphthoic hydrazide may be used to synthesize the following 2-(alkyl/arylamino)-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazoles:
- 2-ethylamino-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazole
- 2-phenethylamino-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazole
- 2-phenylamino-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazole
- 2-(p-bromophenylamino)-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazole
- 2-(p-chlorophenylamino)-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazole
- 2-(p-fluorophenylamino)-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazole
- 2-(m-fluorophenylamino)-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazole
- 2-(p-methoxyphenylamino)-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazole
- 2-(p-methylphenylamino)-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazole
- 2-(m-trifluoromethylphenylamino)-5-(3-hydroxy-2-naphthyl)-1,3,4-thiadiazole
Safety
Symbol(GHS) | GHS07 |
Signal word | Warning |
Hazard statements | H315-H319-H335 |
Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
Hazard Codes | Xi,C |
Risk Statements | 36/37/38 |
Safety Statements | 26-36 |
WGK Germany | 3 |
F | 8-9-23 |
TSCA | Yes |
HazardClass | IRRITANT |
HS Code | 29280090 |