Name: Acid Orange 10
SKU: 1936-15-8

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Basic Information

Molecular Structure:
CAS No.:	1936-15-8
Name:	Acid Orange 10

Formula:	C₁₆H₁₀N₂Na₂O₇S₂
Molecular Weight:	452.376
Synonyms:	Acid Orange 2GL;Bucacid Fast Orange G;C.I. Food Orange 4;Certicol Orange GS;Colacid Orange G;ColocidOrange 2G;Colorosacid Orange 10;EgacidOrange GG;Erio Fast Orange AS;Fast Acid Orange G;Food Orange 4;Food Orange GG;7-Hydroxy-8-(phenylazo)-1,3-naphthalenedisulfonic acid disodium salt;Hispacid Fast Orange 2G;Kemacid Crystal Orange G;Keyacid Orange 2G;Kiton Fast Orange G;Multacid Orange 2G;Naphthalene FastOrange 2GS;Neelicol Orange G;Orange BPC;Orange G dye;Orange GG;Sandolan Fast Orange E-GL;Solar LightOrange GX;Tertracid Light Orange G;Acid Orange 10;
EINECS:	217-705-6
Density:	0.80 g/mL at 20 °C
Melting Point:	141 °C
Flash Point:	14 °C
Solubility:	easily soluble in water
Appearance:	orange crystals or powder
Hazard Symbols:	Xi,F
Risk Codes:	36/37/38-11
Safety:	22-24/25-37/39-26-16
Transport Information:	UN 1987 3/PG 2
PSA:	176.11000
LogP:	4.93060

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Consensus Reports

IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 , 1987,p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 8 , 1975,p. 181.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

Specification

The Acid Orange 10, with the CAS registry number 1936-15-8, is also known as 7-Hydroxy-8-(phenylazo)-1,3-naphthalenedisulfonic acid disodium salt. It belongs to the product categories of Dyes and Pigments;Organics. Its EINECS number is 217-705-6. This chemical's molecular formula is C₁₆H₁₀N₂Na₂O₇S₂ and molecular weight is 452.37. What's more, its systematic name is Disodium 7-hydroxy-8-phenylazonaphthalene-1,3-disulphonate. Its classification codes are: (1)Mutation data; (2)Reproductive Effect; (3)Tumor data. Its storage temperature is 2 - 8°C. This chemical is a synthetic azo dye used in histology in many staining formulations. It usually comes as a disodium salt. It has the appearance of orange crystals or powder. The main use of Acid Orange 10 is in the OG-6 Papanicolaou stain, to stain keratin, however it is also a major component of the Alexander test for pollen staining. It can also be used as a color marker.

Physical properties of Acid Orange 10 are: (1)ACD/LogP: 1.755; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -2.75; (4)ACD/LogD (pH 7.4): -2.75; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 9; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 170.45 Å².

When you are using this chemical, please be cautious about it as the following:
This chemical is highly flammable, so you should keep it away from sources of ignition - No smoking. It is irritating to eyes, respiratory system and skin. You must avoid contact with skin and eyes. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. You should not breathe dust. When using it, you need wear suitable protective gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[Na+].[O-]S(=O)(=O)c3cc2ccc(O)c(/N=N/c1ccccc1)c2c(c3)S([O-])(=O)=O
(2)Std. InChI: InChI=1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12(26(20,21)22)9-14(27(23,24)25)15(10)16(13)18-17-11-4-2-1-3-5-11;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;
(3)Std. InChIKey: HSXUHWZMNJHFRV-QIKYXUGXSA-L