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4-Aminoantipyrine, CAS:83-07-8

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Unit Price:

$50-60/KG EXW

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CAS No.:

83-07-8

Grade:

Reagent Grade

Content:

98.5%

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

4-Aminoantipyrine, CAS:83-07-8

Guangzhou Yaoguang Technology Co., Ltd. is a company specializing in the customized synthesis of high-purity chemicals and pharmaceutical intermediates, whose key personnel all have years of experience in the customized synthesis of organic/ inorganic chemicals. 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.

Main products: Indicators, Biological Stains, Biological Chemicals, Nucleosides, Enzyme, Enzyme Substrates, Cosmetic Grade Chemicals, Speciality Chemicals, Pharmaceutical intermediates, Custom Synthetic Chemicals…etc.

Our products are widely applied in the R&D and production of life science, material science, organic chemistry, inorganic catalysis and other fields, with which the company is able to provide customized synthesis services for its clients home and abroad, meeting their needs varying from mg level, g level, kg level and ton level at a highly efficient way.

Items	Specifications
Appearance	Yellow powder
Assay	≥98.5%
Melting point	107.0-109.0
Ignition residue(sulfate)	≤0.05%
Water dissolution test	Pass

Basic Info

Product Name:

4-Aminoantipyrine

Other Name:

Metamizole EP Impurity B;4-amino-2,3-dimethyl-1-phenylpyrazolin-5-one;Metamizole Sodium Impurity 2（Minocycline EP Impurity B）;4-aminoantipirine;4-Amine-2,3-dimethyl-lphenyl-5-pyrazolone-[5],Ampyrone;4-amino-1,2-dihydro-1,5-dimethyl-2-phenyl-3h-pyrazol-3-on;AKOS BBS-00007964;AMINOANTIPYRINE

CAS No.:

83-07-8

Molecular Formula:

C11H13N3O

InChIKeys:

RLFWWDJHLFCNIJ-UHFFFAOYSA-N

Molecular Weight:

203.24

Exact Mass:

203.24

BRN:

181635

EC Number:

201-452-3

UNII:

0M0B7474RA

NSC Number:

60242

TSCA:

TSCA listed

DSSTox ID:

DTXSID8048860

Color/Form:

Yellow to yellow-brown

ATC Code:

N02BB03

HScode:

29331190

Categories:

Analysis Reagents

Characteristics

PSA:

49.6

XLogP3:

0.1

Appearance:

Yellow to yellow-brown Powder or Crystals

Density:

0.8

Melting Point:

105-110 °C(lit.)

Boiling Point:

340 C

Flash Point:

140.7±28.7 °C

Refractive Index:

1.4930 (estimate)

Water Solubility:

ca. 500 g/L (20 ºC)

Storage Conditions:

Store at RT.

Toxicity:

LD50 orally in Rabbit: 1700 mg/kg

Flammability characteristics:

Flammable; burning produces toxic nitrogen oxide fumes

Odor:

Odorless

PH:

7.1 (100g/l, H2O, 20℃)(slurry)

PKA:

pK1: 4.94(+1) (25°C)

Collision Cross Section:

142.6 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]|142.48 Å² [M+H]+

Critical Temperature & Pressure:

Keep in dark place,Inert atmosphere,Room temperature

See More 4-Aminoantipyrine Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H302 Harmful if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area.
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation occurs: Get medical help. 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. P319 Get medical help if you feel unwell.
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 4-Aminoantipyrine 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

2 Inquiries

Country	Product	Purchase Quantity	Date Posted
Nigeria	4-Aminoantipyrine	100.00 KG	Jul 12, 2025
Nigeria	4-Aminoantipyrine	25.00 KG	Sep 25, 2025

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4-Aminoantipyrine, CAS:83-07-8

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

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