119-90-4
Product Name:
o-Dianisidine
Formula:
C14H16N2O2
Synonyms:
3,3′-Dimethoxybenzidine;Fast Blue B
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 3,3'-dimethoxybenzidine appears as colorless crystals or a light brown powder. Turns violet on standing. Carcinogen. |
|---|---|
| Color/Form | LEAFLETS OR NEEDLES FROM WATER |
| Melting Point | 279 to 280 °F (NTP, 1992) |
| Flash Point | 403 °F (NTP, 1992) |
| Solubility | less than 0.1 mg/mL at 68 °F (NTP, 1992) |
| Vapor Density | 8.5 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | negligible |
| LogP | log Kow = 1.81 |
| Decomposition | When heated to decomp it emits toxic fumes of /nitrogen oxides/. |
| pH | WEAK BASE |
| Other Experimental Properties | HAS GENERAL CHARACTERISTICS OF PRIMARY AROMATIC AMINES |
| Chemical Classes | Nitrogen Compounds -> Amines, Polyaromatic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H350:Carcinogenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 244.29 g/mol |
|---|---|
| XLogP3 | 2.2 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 244.121177757 g/mol |
| Monoisotopic Mass | 244.121177757 g/mol |
| Topological Polar Surface Area | 70.5 Ų |
| Heavy Atom Count | 18 |
| Formal Charge | 0 |
| Complexity | 236 |
| 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 | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
3,3'-dimethoxybenzidine appears as colorless crystals or a light brown powder. Turns violet on standing. Carcinogen.