Molecular Formula | C12H9N2NaO5S |
Molar Mass | 316.27 |
Melting Point | >300°C |
Water Solubility | Soluble in water and alcohol |
Solubility | Soluble in water and alcohol. |
Appearance | Form Powder, color Rust to dark brown |
pKa | 11.5, 11.9(at 25℃) |
PH | 11-13 |
Storage Condition | Room Temprature |
MDL | MFCD00007499 |
Hazard Symbols | Xi - Irritant |
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. R22 - Harmful if swallowed |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
WGK Germany | 1 |
RTECS | DB5035000 |
TSCA | Yes |
HS Code | 32041200 |
Raw Materials | 4-AMINOAZOBENZENE Sulfanilic acid Resorcinol |
solubility | Solubility Soluble in water, ethanol |
color index | 14270 |
Odor | Odorless |
pH range of acid-base indicator discoloration | Yellow (11.0) to red (12.7) |
maximum wavelength (& lambda;max) | 490nm |
Merck | 14,9775 |
BRN | 4173410 |
main applications | Photoresists, image forming materials, nonlinear optical (NLO) materials, etching, photography, inks, markers, lithium battery, leather dyes, polishing stainless steel, concrete, automobile radiators, textiles, cleaners, hair dyes, food storage, cosmetics, immunomodulating agents, disinfectant, antihistaminic agent, antimicrobial agent, nucleic acids |
EPA chemical information | Benzenesulfonic acid, 4-[(2,4-dihydroxyphenyl)azo]-, monosodium salt (547-57-9) |