Molecular Formula | C10H10Na2O10S2 |
Molar Mass | 400.29 |
Melting Point | >300°C(lit.) |
Water Solubility | Soluble in water. |
Solubility | 170g/l |
Appearance | Powder |
Color | off-white |
Merck | 14,2241 |
BRN | 3647189 |
PH | 3.6 (10g/l, H2O, 20℃) |
Storage Condition | Store below +30°C. |
Stability | Stable. Incompatible with strong oxidizers, strong acids, acid chlorides, acid anhydrides. Light sensitive. |
Use | Used as analytical reagents, but also for organic synthesis |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
WGK Germany | 3 |
TSCA | Yes |
HS Code | 29089990 |
color index | 57030 |
overview | disodium salt of chromogenic acid is white to gray, beige or light brown powder. It is an organic acid sodium salt, which can be used for colorimetric determination of mercury and organic synthesis. |
use | used as experimental reagent and dye intermediate used as experimental reagent and dye intermediate as analytical reagent, also used in organic synthesis used in Ag, ClO3- , Cr, Hg, NO2-, NO32-, Ti determination, organic synthesis. |