1937-37-7
Product Name:
Direct Black 38
Formula:
C34H28N9NaO7S2
Synonyms:
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
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | C.i. direct black 38 appears as gray-black microcrystals or black powder. (NTP, 1992) |
|---|---|
| Color/Form | Grey-black powder |
| Boiling Point | Decomposes (NTP, 1992) |
| Melting Point | Decomposes (NTP, 1992) |
| Solubility | 1 to 5 mg/mL at 68 °F (NTP, 1992) |
| Chemical Classes | Dyes -> Benzidine Dyes |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation H350:Carcinogenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 781.7 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 16 |
| Rotatable Bond Count | 7 |
| Exact Mass | 781.11137508 g/mol |
| Monoisotopic Mass | 781.11137508 g/mol |
| Topological Polar Surface Area | 304 Ų |
| Heavy Atom Count | 54 |
| Formal Charge | 0 |
| Complexity | 1460 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 3 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
C.i. direct black 38 appears as gray-black microcrystals or black powder. (NTP, 1992)