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XYLENOL ORANGE TETRASODIUM |
| Synonyms. Xylenol orange tetrasodium; Tetrasodium N,N'-(3H-2,1-benzoxathiol-3-ylidene bis((6- hydroxy- 5- methylphen- 3,1-ylene)methylene)) bis(N-(carboxylatomethyl)aminoacetate) S,S-dioxide; Xylenol orange tetrasodium salt; 3,3'-Bis(N,N-bis(carboxymethyl) aminomethyl)-o-cresolsulfone phthalein tetrasodium salt; |
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| PRODUCT IDENTIFICATION | |
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CAS RN |
3618-43-7, 1611-35-4 (base) |
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EINECS RN |
222-805-8 |
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FORMULA |
C31H28N2Na4O13S |
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MOLE WEIGHT |
760.58 |
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H.S CODE |
3204.19.4000 |
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SMILES |
c12c(C(S(=O)(O2)=O)(c2cc(C)c(O)c(CN(CC(=O)[O-])CC(=O)[O-])c2)c2cc (C)c(O)c(CN(CC(=O)[O-])CC(=O)[O-])c2)cccc1. [Na+].[Na+].[Na+]. [Na+] |
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CLASSIFICATION |
Stain, Dye |
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EXTRA NOTES |
Xylenol orange is an organic reagent, most commonly used as a tetrasodium salt as an indicator for metal titrations. When used for metal titrations it will appear red in the titrand and yellow once it reaches its endpoint. |
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| PHYSICAL AND CHEMICAL PROPERTIES | |
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PHYSICAL STATE. |
dark brown crystalline powder |
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MELTING POINT |
210 C |
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BOILING POINT |
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DENSITY |
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SOLUBILITY IN WATER |
510 g/l |
| SOLVENT SOLUBILITY |
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VAPOR DENSITY |
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log P(octanol-water) |
1 |
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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. |
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INCOMPATIBLE MATERIALS |
Strong oxidizing agents |
| POLYMERIZATION |
Has not been reported |
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NFPA RATINGS |
Health: 1, Flammability: 1, Reactivity: 0 |
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| EXTERNAL LINKS & GENERAL DESCRIPTION |
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USA.gov - Xylenol orange Wikipedia Linking - Xylenol orange Google Scholar Search - Xylenol orange Drug Information Portal (U.S. National Library of Medicine) - Xylenol orange PubChem Compound Summary - Xylenol orange http://www.ncbi.nlm.nih.gov/ - Xylenol orange EPA - Substance Registry Services - Xylenol orange Local: |
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| SALES SPECIFICATION | |
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APPEARANCE |
dark brown powder |
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CONTENT |
75% min |
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ABSORPTION |
575 ~ 585 nm (λ max) |
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LOSS ON DRYING |
10% max |
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| TRANSPORT & REGULATORY INFORMATION | |
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UN NO. |
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| HAZARD CLASS |
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| PACKING GROUP | |
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| SAFETY INFORMATION | |
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HAZARD OVERVIEW |
Not a dangerous substance according to GHS. Eyes: May cause eye irritation. Skin: May be harmful if absorbed through skin. May cause skin irritation. Inhalation: May be harmful if inhaled. May cause respiratory tract irritation. Ingestion: May be harmful if swallowed. |
| SIGNAL WORD | |
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PICTOGRAMS |
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HAZARD STATEMENTS |
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P STATEMENTS |
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| EC DIRECTIVES |
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| HAZARD CODES |
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RISK PHRASES |
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SAFETY PHRASES |
24/25 |
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| PACKING |
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Preserve in light-resistant and well-closed containers |
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| PRICE INFORMATION |
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