615-28-1
Product Name:
OPD EASY-tablets
Formula:
C6H10Cl2N2
Synonyms:
1,2-Phenylenediamine tablet;OPD;OPD Peroxidase Substrate;OPD Tablet
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 1,2-phenylenediamine dihydrochloride appears as brownish-yellow crystals. Slightly soluble in water. Used in the manufacture of dye. |
|---|---|
| Color/Form | Needles |
| Melting Point | 250 °C (decomposes) |
| Solubility | Very soluble in water |
| Decomposition | When heated to decomposition it emits very toxic fumes of /hydrogen chloride and nitrogen oxides/. |
| Other Experimental Properties | When heated to decomposition it emits very toxic fumes of HCl and NOx |
| Chemical Classes | Nitrogen Compounds -> Amines, Aromatic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Exclamation Mark Irritant GHS07 ![]() Health Hazard GHS08 ![]() Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H317:Sensitisation, Skin H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H341:Germ cell mutagenicity H351:Carcinogenicity H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 | 181.06 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 180.0221037 g/mol |
| Monoisotopic Mass | 180.0221037 g/mol |
| Topological Polar Surface Area | 52 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 62.9 |
| 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
1,2-phenylenediamine dihydrochloride appears as brownish-yellow crystals. Slightly soluble in water. Used in the manufacture of dye.




