3618-43-7
tetrasodium N,N'-[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methylphen-3,1-ylene)methylene]]bis[N-(carboxylatomethyl)aminoacetate] S,S-dioxide
CAS: 3618-43-7
Molecular Formula: C31H31N2Na4O13S
3618-43-7 - Names and Identifiers
| Name | tetrasodium N,N'-[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methylphen-3,1-ylene)methylene]]bis[N-(carboxylatomethyl)aminoacetate] S,S-dioxide |
| Synonyms | Xylenol orange, tetrasodium salt Xylenol orange, sodiuM salt, ACS reagent XYLENOL ORANGE TETRASODIUM SALT METAL IN Xylenol Orange tetrasodiuM salt, indicator Xylenol Orange, sodium salt,pure,water soluble Tetrasodium N,N'-[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methylphen-3,1-ylene)methylene]]bis[N-(carboxylat tetrasodium 2,2',2'',2'''-{(2,2-dioxido-3H-1,2-benzoxathiole-3,3-diyl)bis[(6-hydroxy-5-methylbenzene-3,1-diyl)methanediylnitrilo]}tetraacetate Glycine, N,N'-(3H-2,1-benzoxathiol-3-ylidenebis((6-hydroxy-5-methyl-3,1-phenylene)methylene))bis(N-(carboxymethyl)-, S,S-dioxide, tetrasodium salt tetrasodium N,N'-[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methylphen-3,1-ylene)methylene]]bis[N-(carboxylatomethyl)aminoacetate] S,S-dioxide Tetrasodium N,N'-(3H-2,1-benzoxathiol-3-ylidenebis((6-hydroxy-5-methylphen-3,1-ylene)methylene))bis(N-(carboxylatomethyl)aminoacetate) S,S-dioxide Glycine, N,N'-((1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis((6-hydroxy-5-methyl-3,1-phenylene)methylene))bis(N-(carboxymethyl)-, tetrasodium salt |
| CAS | 3618-43-7 |
| EINECS | 222-805-8 |
| InChI | InChI=1/C31H32N2O13S.4Na/c1-17-7-21(9-19(29(17)42)11-32(13-25(34)35)14-26(36)37)31(23-5-3-4-6-24(23)46-47(31,44)45)22-8-18(2)30(43)20(10-22)12-33(15-27(38)39)16-28(40)41;;;;/h3-10,42-43H,11-16H2,1-2H3,(H,34,35)(H,36,37)(H,38,39)(H,40,41);;;;/q;4*+1/p-4 |
3618-43-7 - Physico-chemical Properties
| Molecular Formula | C31H31N2Na4O13S |
| Molar Mass | 763.61 |
| Melting Point | 195°C (dec.)(lit.) |
| Boling Point | 904.1°C at 760 mmHg |
| Flash Point | 93.3°C |
| Water Solubility | 510 g/L (20 ºC) |
| Solubility | 510g/l |
| Vapor Presure | 3.2E-35mmHg at 25°C |
| Appearance | Solid |
| Color | Red |
| Odor | Odorless |
| PH | 8.1 (10g/l, H2O, 20℃) |
| Storage Condition | room temp |
| Stability | Stable, but may be moisture sensitive. |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00044293 |
| Use | Complexation indicator, acid-base indicator, metal titration indicator |
3618-43-7 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R36/38 - Irritating to eyes and skin. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S22 - Do not breathe dust. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29349990 |
3618-43-7 - Introduction
Generally sodium salt, red brown crystalline powder. Soluble in water. The aqueous solution is red, the acidic solution is lemon yellow, the metal complex is bright red, and the alkaline solution is red and purple.
Last Update：2022-10-16 17:24:52
3618-43-7 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | complexation indicator; acid-base indicator; metal titration indicator |
Last Update：2024-04-09 19:05:11
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Product Name: tetrasodium N,N'-[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methylphen-3,1-ylene)methylene]]bis[N-(carboxylatomethyl)aminoacetate] S,S-dioxide Request for quotationCAS: 3618-43-7
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Product Name: Xylenol Orange, sodium salt Visit Supplier Webpage Request for quotationCAS: 3618-43-7
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Mobile: +86-18621343501
QQ: 2881950922
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Product Name: Xylenol Orange tetrasodium salt Indicator solution Visit Supplier Webpage Request for quotationCAS: 3618-43-7
Tel: +86-18821248368
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Mobile: +86-18821248368
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View History
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