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Cobalt(II) hydroxide, CAS:21041-93-0

6 Inquiries

Unit Price:

$20-22/KG FOB

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CAS No.:

21041-93-0

Grade:

Reagent Grade

Content:

99%

Port:

Guangzhou

Brand:

BTO

Packaging:

Price valid (until):

2029-12-31

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Guangzhou Yaoguang Technology Co., Ltd.

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Custom Synthetic Chemicals,Biological Stains,Pharmaceutical Intermediates,Cosmetic Grade Chemicals,Enzyme,Nucleosides

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Product Description
Seller Information
Inquiry History

Description

Cobalt(II) hydroxide, CAS:21041-93-0

Guangzhou Yaoguang Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and custom synthesis of fine chemicals, whose management has many years of experience in fine chemicals.

The company has established a core technical team with professors, engineers, doctors, masters and undergraduates as the backbone power, and has equipped with advanced synthesis equipment, high-tech analytical instruments and mass production equipment, which can allow us to meet the requirements of customers. The company adheres to the operation philosophy of "Credit and Quality Come First". Taking advantage of combining production, study and research, it has established strategic partnership with many universities and key laboratories in China.

We are an ISO 9001-2015 certified enterprise, our products are widely used in life science, pharmaceutical science, biological science, materials, daily chemical, cosmetics, organic synthesis, catalyst, detection-analysis and other fields. The main products include biochemicals, organic intermediates, specialty chemicals, chemical reagents, custom-synthetic chemicals…etc., which can meet customers’ needs varying from gram level, kilogram level to ton level.

Through years of accumulation, BTO has 2 subsidiaries, 5 offices. Our products are sold to China, Europe, America, Japan, South Korea and other countries and regions, have been recognized and trusted by global customers.

Instrument and Equipment: multiple sets of lab/pilot scale test reaction equipment, freezing equipment, rectification equipment, dephlegmator, HPLC, GC, GC-MS, LC-MS, X-RAY, IR…etc.

Basic Info

Product Name:

Cobalt dihydroxide

Other Name:

Cobalt hydroxide (Co(OH)2);Cobaltous hydroxide;Cobalt dihydroxide;Cobalt(II) hydroxide;Cobalt(2+) hydroxide;Cobalt hydroxide (Co(OH)2);1307-85-3

CAS No.:

21041-93-0

UN No.:

3077

Molecular Formula:

CoH2O2

InChIKeys:

InChIKey=ASKVAEGIVYSGNY-UHFFFAOYSA-L

Molecular Weight:

92.94790

Exact Mass:

92.93870

EC Number:

235-763-0

UNII:

51B9AYG60K

HScode:

2822009000

Categories:

Characteristics

PSA:

40.46000

Density:

3.597

Melting Point:

°Cd ec.)

Boiling Point:

100ºC at 760 mmHg

Water Solubility:

Soluble in acids and ammonia. Very slightly soluble in water. Insoluble in dilute alkalis.

Storage Conditions:

Keep tightly closed. Store in a cool dry place. Store under nitrogen.

Vapor Pressure:

24.5mmHg at 25°C

See More Cobalt dihydroxide Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

Skin sensitization, Category 1

Eye irritation, Category 2

Acute toxicity - Category 1, Inhalation

Respiratory sensitization, Sub-category 1B

Carcinogenicity, Category 1B

Reproductive toxicity, Category 1B

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H302 Harmful if swallowed H317 May cause an allergic skin reaction H319 Causes serious eye irritation H330 Fatal if inhaled H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled H350 May cause cancer H360 May damage fertility or the unborn child H400 Very toxic to aquatic life H411 Toxic to aquatic life with long lasting effects
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P260 Do not breathe dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P284 [In case of inadequate ventilation] wear respiratory protection. P203 Obtain, read and follow all safety instructions before use. P273 Avoid release to the environment.
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P333+P317 If skin irritation or rash occurs: Get medical help. P321 Specific treatment (see ... on this label). P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P320 Specific treatment is urgent (see ... on this label). P342+P316 If experiencing respiratory symptoms: Get emergency medical help immediately. P318 IF exposed or concerned, get medical advice. P391 Collect spillage.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
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 Cobalt dihydroxide Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Custom Synthetic Chemicals,Biological Stains,Pharmaceutical Intermediates,Cosmetic Grade Chemicals,Enzyme,Nucleosides

Location:
Room 308-80, building 1, 1963 Huaguan Road, Tianhe District, Guangzhou

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,100% TT in advance

Average lead Time:
30

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2021

Guangzhou Yaoguang Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and custom synthesis of fine chemicals, whose management has many years of experience in fine chemicals.
The company has established a core technical team with professors, engineers, doctors, masters and undergraduates as the backbone power, and has equipped with advanced synthesis equipment, high-tech analytical instruments and mass production equipment, which can allow us to meet the requirements of customers. The company adheres to the operation philosophy of "Credit and Quality Come First". Taking advantage of combining production, study and research, it has established strategic partnership with many universities and key laboratories in China.
We are an ISO 9001-2015 certified enterprise, our products are widely used in life science, pharmaceutical science, biological science, materials, daily chemical, cosmetics, organic synthesis, catalyst, detection-analysis and other fields. The main products include biochemicals, organic intermediates, specialty chemicals, chemical reagents, custom-synthetic chemicals…etc., which can meet customers’ needs varying from gram level, kilogram level to ton level.
Through years of accumulation, BTO has 2 subsidiaries, 5 offices. Our products are sold to China, Europe, America, Japan, South Korea and other countries and regions, have been recognized and trusted by global customers.
Instrument and Equipment: multiple sets of lab/pilot scale test reaction equipment, freezing equipment, rectification equipment, dephlegmator, HPLC, GC, GC-MS, LC-MS, X-RAY, IR…etc.

Inquiry History

6 Inquiries

Country	Product	Purchase Quantity	Date Posted
United States	COBALT(II) HYDROXIDE, TECH., 95%	27275.00 G	Dec 4, 2025
South Korea	Co (OH) 2	20 MT	Nov 28, 2025
Pakistan	Cobalt and Nickle hydroxide	100 TON	Apr 30, 2024
United States	cobalt hydroxide	1 MT	Feb 27, 2024
Latvia	Cobalt hydroxide	1 TON	Sep 14, 2024
Pakistan	Cobalt hydroxide	100 TON	Apr 30, 2024

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Cobalt(II) hydroxide, CAS:21041-93-0

Product Description

Seller Information

Inquiry History

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

Related Products

More Choices Find All Products for Sale 

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