81-11-8
Product Name:
4,4'-Diamino-2,2'-stilbenedisulfonic acid
Formula:
C14H14N2O6S2
Synonyms:
Amsonic acid
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 4,4'-diamino-2,2'-stilbenedisulfonic acid appears as odorless yellowish microscopic needles or cream-colored powder. pH approximately 4.3 at 30 g/L water (suspension). (NTP, 1992) |
|---|---|
| Color/Form | YELLOW NEEDLES |
| Melting Point | greater than 617 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 73 °F (NTP, 1992) |
| Other Experimental Properties | FORMS SPARINGLY WATER SOL CRYSTALLINE SALTS WITH MANY BISQUATERNARY AMMONIUM BASES |
| Chemical Classes | Nitrogen Compounds -> Aminobenzoic Acids |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| 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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 | 370.4 g/mol |
|---|---|
| XLogP3 | 0.3 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 4 |
| Exact Mass | 370.02932852 g/mol |
| Monoisotopic Mass | 370.02932852 g/mol |
| Topological Polar Surface Area | 178 Ų |
| Heavy Atom Count | 24 |
| Formal Charge | 0 |
| Complexity | 606 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 1 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
4,4'-diamino-2,2'-stilbenedisulfonic acid appears as odorless yellowish microscopic needles or cream-colored powder. pH approximately 4.3 at 30 g/L water (suspension). (NTP, 1992)