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Cresol Red

CAS: 1733-12-6
FOB Price:0.00 USD/Kilogram
Port:any port of China
Minimum Order Quantity:100/Gram
Supply Ability:300000 Kilogram/Month
Payment Terms:L/C,D/A,D/P,T/T,Western Union,MoneyGran,
Updatetime:Oct 08 2014
Company Profile
Contact:Anny Chu
Address: Economic Developing Zone, Ji County, Tianjin, China
Quick Details
Classification: Other Chemicals
Cas NO.: 1733-12-6
Molecular Formula: C21H18O5S
Melting Point: 290℃
Boiling Point: 561.9 °C at 760 mmHg
Stability: Stable under normal temperatures and pressures.
Water Solubility: soluble
Refractive index:1.652
Flash Point: 293.6 °C
Purity: /
Appearance: red-brown powder.
usage: PH indicator.
Brand Name: tjdongchang
EINECS: 217-064-2
Purity: /
Appearance:PH indicator.
Brand: tjdongchang

Used as a indicator.

Packaging & Delivery
Packaging Detail: 1kg/ foil bag, 25kgs/ drum (or according to your request).
Delivery Detail: within 5 work days for small quantity.
Detailed Description

1. CAS NO.: 1733-12-6

2. Molecular Formula: C21H18O5S   

3. Molecular Weight: 382.43

4. Storage: Keep in dry ventilated place with sealed.

5. Use: PH indicator.





brownish red crystal

Melting Point

290 °C

Flash Point

293.6 °C

PH Change Range

6.5 (yellow) - 8.5( purple)

Mass Absorption Wavelength L/ (cm.g)

λ1 (PH 6.5): 432~436 nm     

λ2 (PH 8.5): 571~574 nm

Mass Absorption Coefficient L/ (cm.g)

α1 ( λ1PH6.5 ) 49 - 67 ,    

α2 ( λ2PH8.5 ) 100 - 132

Loss on Drying

3.0 %

Residue on Ignition

≤ 0.2%

Company Information
Name:Tianjin Dongchang Fine Chemical Industry Co., Ltd √ Verified
Category:Corporation/Limited Liability Company
Trade Category: Manufacturer√ Verified
Registered Time: 1996 √ Verified
Registered Capital: US$101 Thousand - US$500 Thousand
Legal Representative: Zhangwei√ Verified
Employees: 11 - 50 People
Address: Economic Developing Zone, Ji County, Tianjin, China
Product/Service: PH indicator, pharmaceutical raw material & intermediates

Founded in 1996, Tianjin Dongchang Fine Chemical lndustry Co., Ltd. Is a hi-tech enterprise for research & development, production of PH indicator, pharmaceutical raw material, intermediates and chemical raw materials. Over years, several main products were developed, PH Indicator: Cresol Purple, Bromophenol Blue and Cresol Red etc. Pharmaceutical raw materials: Pidotimod, Pramipexole Hydrochloride, Erdosteine, Adrafinil, etc. Intermediates: P-toluenesulfonylmethyl isocyanide, 4-Acetamidocyclohexanone, (S)-2,6-Diamino-4,5,6,7- tetrahydrobenzothiazole, etc. Has the strength of scientific research, advanced production equipments and complete detection conditions, our company persists in providing first-rate products and good service. Welcome clients to visit us for establishment of coop.....more>>

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Tax registration certificate - ~ √ Verified
Organization code certificate - ~ √ Verified
Precursor and Product
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