CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Direct red 2 is a brown to dark red powder. (NTP, 1992) |
|---|---|
| Color/Form | BROWN POWDER |
| Melting Point | 554 °F (decomposes) (NTP, 1992) |
| Solubility | less than 1 mg/mL at 61 °F (NTP, 1992) |
| Other Experimental Properties | As pH indicator, violet 1.2 to red 4.0. |
| Chemical Classes | Dyes -> Benzidine Dyes |
SAFETY INFORMATION
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 724.7 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 5 |
| Exact Mass | 724.11506348 g/mol |
| Monoisotopic Mass | 724.11506348 g/mol |
| Topological Polar Surface Area | 233 Ų |
| Heavy Atom Count | 50 |
| Formal Charge | 0 |
| Complexity | 1250 |
| 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
Direct red 2 is a brown to dark red powder. (NTP, 1992)

