- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Palmitic acid
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
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- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 3-cresol purple
- Price: ￥168.0/25g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
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- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Cresol Purple
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Zhongshan Xingrui Chemical Co. , Ltd.
- China
- Product Name: 3-cresol purple
- Price: ￥Inquiry/25kg
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Wang Jie
- Email: 3096638339@qq.com
2303-01-7
2303-01-7 structure
- Name: 3-cresol purple
- Chemical Name: Cresol Purple
- CAS Number: 2303-01-7
- Molecular Formula: C21H18O5S
- Molecular Weight: 382.430
- Catalog: Biochemical Biochemical reagent Acid-base indicator
- Create Date: 2018-05-16 08:00:00
- Modify Date: 2025-08-22 10:43:28
| Name | Cresol Purple |
|---|---|
| Synonyms |
cresolsulfonphthalein
EINECS 218-960-6 3-cresol purple m-Cresolsulfonphthalein m-Cresol purpl Metacresol Purple 2-[(Z)-(4-Hydroxy-2-methylphenyl)(2-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonic acid 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide MFCD00005871 3-cresolpurple pourpredem-cresol M-CRESOLSULFONEPHTHALEIN m-Cresolpurpl M-CRESOL PURPLE 2-[(Z)-(4-Hydroxy-2-methylphenyl)(2-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]benzenesulfonic acid BETZ 0420 Benzenesulfonic acid, 2-[(Z)-(4-hydroxy-2-methylphenyl)(2-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]- |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 577.5ºC at 760 mmHg |
| Melting Point | >250°C |
| Molecular Formula | C21H18O5S |
| Molecular Weight | 382.430 |
| Exact Mass | 382.087494 |
| PSA | 92.21000 |
| LogP | 2.99 |
| Vapour Pressure | 1.19E-13mmHg at 25°C |
| Index of Refraction | 1.652 |
| Water Solubility | Solubility Very slightly soluble in water, ethanol; soluble in methanol |
|
~14%
2303-01-7 |
| Literature: Cihelnik, Simon; Stibor, Ivan; Lhotak, Pavel Collection of Czechoslovak Chemical Communications, 2002 , vol. 67, # 12 p. 1779 - 1789 |
|
~%
2303-01-7 |
| Literature: Journal of the American Chemical Society, , vol. 48, p. 2215 |
|
~35%
2303-01-7 |
| Literature: Tillu; Dumbre; Borate; Wakharkar; Choudhary Synthetic Communications, 2012 , vol. 42, # 8 p. 1101 - 1107 |
| Precursor 4 | |
|---|---|
| DownStream 1 | |
| HS Code | 2934991000 |
|---|---|
| Summary | 2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |