TROPAEOLIN OO |
Synonyms. Tropaeolin OO; C.I. Acid Orange 5 monosodium salt; Sodium 4-((4-(anilino)phenyl)azo)benzenesulphonate; Acid Yellow D; p-((p-Anilinophenyl)azo)benzenesulfonic acid monosodium
salt; C.I. 13080; C.I. Acid Orange 5; Diphenylamine Orange; Hispacid Orange IV; Orange 4 Lake; Orange GS; Orange IV; Orange N; Sodium p-diphenylamino-azobenzenesulfonate; Tertracid Orange IV; Tropeolin OO; Orange IV; |
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PRODUCT IDENTIFICATION |
CAS RN |
554-73-4 |
EINECS RN |
209-071-4 |
FORMULA |
(C6H5NHC6H4N=NC6H4SO3)Na |
MOLE WEIGHT |
375.38 |
H.S CODE |
2927.00.5000 |
SMILES |
c1(Nc2ccccc2)ccc(\N=N\c2ccc(S(=O)(=O)[O-])cc2)cc1.[Na+] |
CLASSIFICATION |
Coloring agent,
Azo dye |
EXTRA NOTES |
Visible transition interval: pH 1.4 (red) to pH 2.6 (yellow) Other RN: 1342-34-3, 17040-79-8 (parent) |
PHYSICAL AND CHEMICAL PROPERTIES |
PHYSICAL STATE. |
orange powder |
MELTING POINT |
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BOILING POINT |
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DENSITY |
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SOLUBILITY IN WATER |
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SOLVENT SOLUBILITY |
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VAPOR DENSITY |
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log P(octanol-water) |
2.25 |
VAPOR PRESSURE |
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AUTOIGNITION TEMP |
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pK |
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REFRACTIVE INDEX |
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FLASH POINT |
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STABILITY AND REACTIVITY |
STABILITY |
Stable under normal conditions. |
INCOMPATIBLE MATERIALS |
Strong oxidizing agents |
POLYMERIZATION |
Has not been reported |
NFPA RATINGS |
Health: 1, Flammability: 0, Reactivity: 0 |
SALES SPECIFICATION |
APPEARANCE |
orange powder |
pH
RANGE |
pH 1.4 (red) to pH 2.6 (yellow) |
ABSORPTION |
443 ~ 447 nm (in 50% ethanol) λ
max |
TRANSPORT & REGULATORY INFORMATION |
UN NO. |
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HAZARD CLASS |
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PACKING GROUP |
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SAFETY INFORMATION |
HAZARD OVERVIEW |
OSHA Hazards: Irritant. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. |
SIGNAL WORD |
Warning |
PICTOGRAMS |
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HAZARD STATEMENTS |
H315-H319-H335 |
P STATEMENTS |
P261-P305 + P351 + P338 |
EC DIRECTIVES |
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HAZARD CODES |
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RISK PHRASES |
36/37/38 |
SAFETY PHRASES |
26-36 |
PACKING |
Preserve in light-resistant and well-closed containers |
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