Products

Contact us

Moneide Chemicals

WhatsApp/WeChat/Mobile: 0086-15633399667

Skype: janet-honest

Address: 2-7-523 Jidong Building Materials Commercial Center, Tangshan, Hebei 064000 China

/

/

Phenol Red

零售价

0.0

元

市场价

0.0

元

浏览量:

1000

产品编号

Category

Synonyms:

CAS No.:

143-74-8

数量

-

+

库存:

0



1

keyword:

Phenol Red

Description

[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[产品参数, 参数]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

Chemical Name	Phenol Red
CAS No.	143-74-8
Molecular formula	C₁₉H₁₄O₅S
EINECS No.	205-609-7
Molecular weight	354.38
Molecular Structure
Details	Appearance: Tender red or carmine crystal powder. PH change range: 1.2(orange)~3(yellow); 6.5(yellow)~8(viole) Maximal absorption wavelength(nm): λ1(PH1.2) 503-506 λ2 (PH3.0) 430-435 λ3 (PH6.5) 430-435 λ4 (PH8.0) 557-560 Quality absorption coefficient(L/cm·g): α1[λ1(PH1.2,dry sample)] 110~123 α2[λ2(PH3.0,dry sample)] 60~68 α3[λ3(PH6.5, dry sample)] 62~72 α4[λ4(PH8.0,dry sample)] 120~135 Solubility in alkali: Passes test Loss on drying: 1.0% max Sulfated ash: 0.2% max Solubility:easy solve in alkali solution,alcohol&acetone, not solve in water. Packing: 25kg/ fibre drum.
Main Application	Acid and alkali indicator.