A6533112
Orange II sodium salt , Biologicalstain , 633-96-5
Synonym(s):
4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt;Acid Orange 7;Acid Orange A;Orange II;Tropaeolin 000 No. 2
CAS NO.：633-96-5
Empirical Formula: C16H13N2NaO4S
Molecular Weight: 352.34
MDL number: MFCD00021510
EINECS: 211-199-0
| Pack Size | Price | Stock | Quantity |
| 25G | RMB31.20 | In Stock |
|
| 100g | RMB92.00 | In Stock |
|
| 500g | RMB342.40 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 164°C |
| Density | 1.525[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Amber Vial, -20°C Freezer, Under inert atmosphere |
| solubility | Very soluble in water; very slightly soluble in ethanol |
| form | Crystalline Powder |
| Colour Index | 15510 |
| pka | 8.26, 11.4(at 25℃) |
| color | Green to blue |
| Odor | Odorless |
| PH Range | Amber (7.4) to orange (8.6);Orange (10.2) to red (11.8) |
| Water Solubility | 116 g/L (30 ºC) |
| λmax | 483nm |
| ε(extinction coefficient) | ≥17000 at 480-486nm in water at 0.01g/L ≥26500 at 225-231nm in water at 0.01g/L ≥7500 at 307-313nm in water at 0.01g/L |
| Merck | 14,6858 |
| BRN | 3898201 |
| Stability: | Light Sensitive |
| Biological Applications | Cosmetics; wound dressing materials |
| Major Application | Organic light emitting diodes (OLEDs), nanoparticles, inks, wood preservatives, textiles, hair dyes, cosmetics, wound dressing materials, biofuel cells |
| Cosmetics Ingredients Functions | COLORANT HAIR DYEING |
| InChI | 1S/C16H12N2O4S.Na/c19-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)23(20,21)22;/h1-10,19H,(H,20,21,22);/q;+1/p-1/b18-17+; |
| InChIKey | CQPFMGBJSMSXLP-ZAGWXBKKSA-M |
| SMILES | [Na+].Oc1ccc2ccccc2c1\N=N\c3ccc(cc3)S([O-])(=O)=O |
| LogP | -0.95 at 20℃ |
| CAS DataBase Reference | 633-96-5(CAS DataBase Reference) |
| EPA Substance Registry System | C.I. Acid Orange 7, monosodium salt (633-96-5) |
Description and Uses
Acid Orange 7 (CAS# 633-96-5) is an environmental pollutant.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319 |
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 |
| PPE | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-37/39 |
| WGK Germany | 3 |
| RTECS | DB7084000 |
| TSCA | TSCA listed |
| HS Code | 32041200 |
| Storage Class | 13 - Non Combustible Solids |
