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Pyrogallic 98% ,CAS87-66-1

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CAS No.:

76-61-9

Port:

Shang hai

Packaging:

25kg/drum

Price valid (until):

2025-09-01

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PROVCHEM

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate

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Product Description
Seller Information

Description

Product Detail

Items	Specifications
Appearance	odorless white to gray solid
Melting Point	133 °C
Water Solubility	H2O: 400 g/L (25 ºC)

Pyrogallol Use and Manufacturing

Methods of Manufacturing

From gallic acid (decarboxylation); from cyclohexanone (alpha chlorination/hydration/dehydrochlorination)|Heating gallic acid with three times its weight of water in an autoclave|Commercially produced by decarboxylation of gallic acid, which is prepared by hydrolysis of tannin.|... Methods for producing pyrogallol include oxidation of resorcinol with hydrogen peroxide, hydrolysis of 2,6-diamino-4-butylphenol, demethylation of 4-substituted 2,6-dimethoxyphenols, oxidation of 2,6-dimethylphenol, hydrolysis of 2,2,6,6-tetrachlorocyclohexanone, deoximation of 1,2,3-cyclohexanetrion-1,3-dioxime, and dehydrogenation of 1,2,3-trihydroxycyclohexane.

Uses

1. Metal-complexing agent
2. Complexing agent; reducing agent; alkaline solution indicator for gaseous oxygen.

Basic Info

Product Name:

Thymol blue

Other Name:

Phenol,4,4′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-;Thymolsulfonephthalein;Thymol,6,6′-(3H-2,1-benzoxathiol-3-ylidene)di-,S,S-dioxide;Phenol,4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-,S,S-dioxide;3H-2,1-Benzoxathiole,phenol deriv.;4,4′-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)phenol];Thymol blue;Thymolsulfophthalein;NSC 11238;2877-93-2;18611-66-0;313494-17-6;354556-94-8;384814-32-8;400864-47-3;405271-03-6;551921-90-5;672309-78-3;720671-81-8;264233-99-0

CAS No.:

76-61-9

Molecular Formula:

C27H30O5S

InChIKeys:

InChIKey=PRZSXZWFJHEZBJ-UHFFFAOYSA-N

Molecular Weight:

466.59

Exact Mass:

466.59

EC Number:

200-973-3

UNII:

8YB4804L4M

NSC Number:

11238

DSSTox ID:

DTXSID5058800

HScode:

29349990

Categories:

Hair Dyeing

Characteristics

PSA:

92.2

XLogP3:

Appearance:

Dark green to dark brown Solid

Density:

1.3±0.1 g/cm3

Melting Point:

223 °C (decomp)

Boiling Point:

580.5°C at 760 mmHg

Flash Point:

36 °C

Refractive Index:

1.611

Water Solubility:

soluble in alcohol and dilute alkali solutions. Insoluble in water.

Storage Conditions:

Store at RT.

See More Thymol blue Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H302 Harmful if swallowed
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product.
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth.
Storage	none
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Thymol blue Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate

Location:
9F/TOWER B DANING MUSIC PLAZA NO.777, WANRONG ROAD JINGAN, DISTRICT, SHANGHAI, R.P. CHINA

Payment Terms:
TT against copy of documents,D/P,L/C,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
14

Total Annual Revenue:
$2.5 million-$5 million

Total Employees:
5-10

Year of Establishment:
2022
Country Product Purchase Quantity Date Posted

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