A3223512
Direct Black 38 , Analysis standard , 1937-37-7
Synonym(s):
4-Amino-3-[[4′-[(2,4-diaminophenyl)azo][1,1′-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt;Chlorazole Black E;Direct Black 38
CAS NO.：1937-37-7
Empirical Formula: C34H28N9NaO7S2
Molecular Weight: 761.76
MDL number: MFCD00066363
EINECS: 217-710-3
| Pack Size | Price | Stock | Quantity |
| 100MG | RMB799.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 109-110°C |
| storage temp. | Amber Vial, Refrigerator, Under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated), Water (Slightly) |
| Colour Index | 30235 |
| form | Crystalline Powder |
| color | Black |
| Stability: | Light Sensitive |
| CAS DataBase Reference | 1937-37-7(CAS DataBase Reference) |
| EPA Substance Registry System | C.I. Direct Black 38 (1937-37-7) |
Description and Uses
Direct black 38 is a black powder. An AZOcompound. Molecular weight= 781.78; Freezing/Meltingpoint $ 400℃. Hazard Identification (based on NFPA-704M Rating System): Health 1, Flammability 1, Reactivity 0.Slightly soluble in water.
Chlorozol Black E is a chitin-specific stain and used to detect fungal filaments. Dyes and metabolites, Environmental Testing.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.
Safety
| Symbol(GHS) |   GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H319-H350-H361d |
| Precautionary statements | P201-P305+P351+P338-P308+P313 |
| Hazard Codes | T |
| Risk Statements | 45-63-36 |
| Safety Statements | 53-45-36/37-26 |
| WGK Germany | 3 |
| RTECS | QJ6160000 |
| TSCA | Yes |
| HS Code | 29299090 |
| Hazardous Substances Data | 1937-37-7(Hazardous Substances Data) |
| Toxicity | LD50 orl-rat: 7600 mg/kg TSCAT* OTS 215154 |
