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| CAS No.: | 633-96-5 |
|---|---|
| Name: | Acid Orange 7 |
| Molecular Structure: | |
|
|
|
| Formula: | C16H11N2NaO4S |
| Molecular Weight: | 350.33 |
| Synonyms: | Acid Orange A (6CI);Benzenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-,monosodium salt (9CI);Benzenesulfonic acid, p-(2-hydroxy-1-naphthylazo)-, sodium salt (6CI);11550Orange;AO 7;Acid LeatherOrange extra;Acid Orange II;Amacid Orange Y Conc;BTK Orange II;Basacid Orange 280;Betanaphtholorange;Borunil Orange A 2R;Bucacid Orange A;C Ext. Orange8;C.I. 15510;Calcocid Orange Y;Certiqual Orange II;Colocid Orange II;Conacid Orange L;Covalene Orange II;CurolOrange;D and C Orange 4 Aluminum Lake;Daedo Acid Orange 2G;Derma Fur Orange R 125;Diacid Orange II;Dyacid Orange II;Dycosacid Orange Yellow II;Eniacid OrangeII;Erio Orange II;Fenazo Orange;Japan Orange 205;Japan Orange No. 205;Java Orange II;Kromon Lake Orange Toner;Lake Orange A;Libacid Orange LII;Lurazol Orange E;Multicuer Orange II;Naphthalene Orange G;Naphthol RedJ;Naphtocard Orange II;Neklacid Orange II;No. 177 OrangeLake;Nubilon Orange R;Orange 2;Orange II; |
| EINECS: | 211-199-0 |
| Density: | 1.525[at 20℃] |
| Melting Point: | 164 °C |
| Solubility: | 116 g/L (30 °C) in water |
| Appearance: | Orange-red powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36-37/39 |
| PSA: | 110.53000 |
| LogP: | 4.94570 |
- 81281-59-67-Benzylideneaminotheophylline
- 82993-81-5D-threo-Ritalinic acid hydrochloride
- 73441-42-6METHYL-5-CHLORO-2,2-DIMETHYLVALERATE
- 68439-39-4Poly(oxy-1,2-ethanediyl), alpha-(2-ethylhexyl)-omega-hydroxy-,
- 852475-26-4MC1568
- 958254-66-51H-Imidazo[4,5-b]pyridine-2-carboxaldehyde, 1-methyl-, hydrochloride
- 99170-93-1N-Methyl-2-oxazolamine
- 717878-06-31-(4-fluorophenyl)-4-nitro-1H-imidazole
- 914458-26-7[5-(2-fluorophenyl)-1-pentyl-1H-pyrrol-3-yl]-1-naphthalenyl-Methanone
- 894852-01-87-BROMO-2,2-DIMETHYL-2H-PYRIDO[3,2-B][1,4]OXAZIN-3(4H)-ONE
| Conditions | Yield |
|---|---|
| Stage #1: 4-aminobenzene sulfonic acid With sodium nitrite In water; N,N-dimethyl-formamide at 25℃; Stage #2: With hydrogenchloride In water; N,N-dimethyl-formamide Stage #3: β-naphthol In water; N,N-dimethyl-formamide at 25℃; for 0.00805556h; | 94.74% |
| Stage #1: 4-aminobenzene sulfonic acid With water; sodium nitrite In neat (no solvent) at 20℃; Stage #2: β-naphthol In neat (no solvent) at 20℃; for 0.333333h; | 83% |
| With sodium nitrite at 0℃; Neat (no solvent); | 25% |
| Conditions | Yield |
|---|---|
| In water for 0.25h; | 97% |
| Conditions | Yield |
|---|---|
| In water for 0.25h; | 96% |
| Conditions | Yield |
|---|---|
| Stage #1: orange II With nitric acid In water Inert atmosphere; Stage #2: silver carbonate In water at 60℃; for 0.5h; Temperature; Inert atmosphere; Darkness; | 88.4% |
| Conditions | Yield |
|---|---|
| In water; acetic acid pH=2.6; |
| Conditions | Yield |
|---|---|
| With sodium disulfite; borohydride at 25℃; pH=5.6; Reduction; | |
| With iron In various solvent(s) pH=7.0; Kinetics; Reduction; |
- 633-96-5
orange II
| Conditions | Yield |
|---|---|
| at 5℃; |
| Conditions | Yield |
|---|---|
| bei folgendem Ansaeuern mit Salzsaeure; |
- 633-96-5
orange II
| Conditions | Yield |
|---|---|
| beim Zufuegen von Phenylhydrazin und weiteren Erwaermen; |
- 63428-82-0Beauveria bassiana
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- 63-45-6Primaquine diphosphate
- 63500-12-9Benzeneacetic acid, 2-hydroxy-a-methyl-, ethyl ester
- 63517-33-9XtalFluor-M
- 635-21-22-Amino-5-chlorobenzoic acid
- 63525-48-42,5-DIBROMO-1,4-BENZENEDICARBOXALDEHYDE
- 63562-33-49,10-Dihydro-10-(2,3-dicarboxypropyl)-9-oxa-10-phosphaphenanthrene 10-oxide
- 104987-11-3Tacrolimus
- 141-53-7Sodium formate
- 8001-54-5Quaternary ammonium compounds, alkylbenzyldimethyl, chlorides
- 9003-39-8Povidone
- 10161-34-9Trenbolone acetate
- 402957-28-2Telaprevir
- 68-19-9Cyanocobalamin
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Chemistry
Product Name: Acid Orange 7 (CAS NO.633-96-5)
Molecular Formula: C16H11N2NaO4S
Molecular Weight: 350.32g/mol
Mol File: 633-96-5.mol
EINECS: 211-199-0
Appearance: Orange-red powder
Melting Point: 164 °C
Water Solubility: 116 g/L (30 °C)
H-Bond Donor: 1
H-Bond Acceptor: 6
Structure Descriptors of Acid Orange 7 (CAS NO.633-96-5):
IUPAC Name: sodium 4-[(2E)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate
Canonical SMILES: C1=CC=C2C(=C1)C=CC(=O)C2=NNC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]
Isomeric SMILES: C1=CC=C\2C(=C1)C=CC(=O)/C2=N/NC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]
InChI: 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;/h1-10,17H,(H,20,21,22);/q;+1/p-1/b18-16+;
InChIKey: IGQFKZCLTLAWLO-HYNBPGMHSA-M
Product Categories: Organics
Uses
Acid Orange 7 (CAS NO.633-96-5) is one of the most common dyes used for wool, silk, paper, etc. It is also used as indicator and biological colourants.
Toxicity Data With Reference
| 1. | msc-hmn:lyms 12 nmol/L | MUREAV Mutation Research. 249 (1991),265. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
The safety information of Acid Orange 7 (CAS NO.633-96-5) is as follows:
Hazard Codes:Xi 
Risk Statements:36/37/38
36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements:26-36-37/39
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:Wear suitable protective clothing
37/39:Wear suitable gloves and eye/face protection
WGK Germany:3
RTECS:DB7084000
Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx.
Specification
Acid Orange 7 , its CAS NO. is 633-96-5, the synonyms are 4-((2-Hydroxy-1-naphthalenyl)azo)benzenesulfonic acid,
monosodium salt ; Acid orange ii ; Benzenesulfonic acid, 4-((2-hydroxy-1-naphthalenyl)azo)-, monosodium salt ; D & C Orange no. 4 ; Orange II ; 1-p-Sulfophenylazo-2-naphthol, monosodium salt ; 2-Naphthol Orange II ; 4-((2-Hydroxy-1-naphthyl)azo)benzenesulfonic acid, sodium salt ; Acid Leather Orange Extra .