ChemicalBook > CAS DataBase List > Aminopyrine

Aminopyrine

Product Name
Aminopyrine
CAS No.
58-15-1
Chemical Name
Aminopyrine
Synonyms
AMINOPYRINE;AMINOPHENAZONE;AMIDOPYRINE;4-DIMETHYLAMINOANTIPYRINE;dimethylaminophenazone;Piramidon;Aminopyrazolin;Dimethylaminoantipyrine;4-DiMethylaMino-1,5-diMethyl-2-phenyl-1-pyrazolone;2-dihydro-4-(N.,N-dimethylamino-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one
CBNumber
CB1476086
Molecular Formula
C13H17N3O
Formula Weight
231.29
MOL File
58-15-1.mol
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Aminopyrine Property

Melting point:
107-109 °C(lit.)
Boiling point:
373.38°C (rough estimate)
Density 
1.0744 (rough estimate)
refractive index 
1.6140 (estimate)
storage temp. 
Refrigerator
solubility 
DMF: 5 mg/ml; DMSO: 5 mg/ml; Ethanol: 25 mg/ml; Ethanol:PBS(pH 7.2) (1:1): 0.5 mg/ml
form 
Crystalline Powder, Crystals and/or Chunks
pka
pKa 5.0 (Uncertain)
color 
Off-white to brownish
Water Solubility 
5.55 g/100 mL
Sensitive 
Air & Light Sensitive
Merck 
14,474
Stability:
Stable. Incompatible with strong oxidizing agents, strong acids, strong bases. Light sensitive. Degrades under the action of mild oxidizing agents in the presence of moisture or water.
InChIKey
RMMXTBMQSGEXHJ-UHFFFAOYSA-N
CAS DataBase Reference
58-15-1(CAS DataBase Reference)
NIST Chemistry Reference
Aminopyrine(58-15-1)
EPA Substance Registry System
Aminopyrine (58-15-1)
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Safety

Hazard Codes 
Xn
Risk Statements 
22-36/37/38-21/22
Safety Statements 
26-36-36/37/39
RIDADR 
UN 2811 6.1/PG 3
WGK Germany 
3
RTECS 
CD2625000
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
HS Code 
29331190
Hazardous Substances Data
58-15-1(Hazardous Substances Data)
Toxicity
LD50 orally in rats: 1.7 g/kg (Hart)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D8015
Product name
4-Dimethylaminoantipyrine
Purity
reactive nitrogen species scavenger
Packaging
25g
Price
$85.3
Updated
2024/03/01
Sigma-Aldrich
Product number
D8015
Product name
4-Dimethylaminoantipyrine
Purity
reactive nitrogen species scavenger
Packaging
100g
Price
$235
Updated
2024/03/01
Alfa Aesar
Product number
B21436
Product name
4-(Dimethylamino)antipyrine, 98+%
Packaging
50g
Price
$58
Updated
2024/03/01
Alfa Aesar
Product number
B21436
Product name
4-(Dimethylamino)antipyrine, 98+%
Packaging
250g
Price
$202
Updated
2024/03/01
Cayman Chemical
Product number
15770
Product name
Aminophenazone
Purity
≥98%
Packaging
10g
Price
$33
Updated
2024/03/01
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Aminopyrine Chemical Properties,Usage,Production

Chemical Properties

White leaf-like crystals or crystalline powder. Odorless, slightly bitter taste. It is stable in the air, but will deteriorate in sunlight. When there is moisture, it is easy to chemically react with weak oxidants. Soluble in alcohol, chloroform, benzene and ether, soluble in water. The solubility in water increases with the addition of sodium benzoate. Aqueous solutions are weakly alkaline to litmus. The melting point is 107-109°C.

Uses

Aminopyrine is used as an antipyretic and analgesic drug. It belongs to the pyrazolone derivatives having a most toxic and most dangerous analgesic effect and it is a non-narcotic drug. Due to strong adverse effects, its single medicine preparation is gradually replaced by compound preparation.

Application

Oxidation by Fe(VI) has potential to remove N-nitrosodiumethylamine precursors, including 4-dimethylaminoantipyrine, from drinking water. 4-Dimethylaminoantipyrine is itself an effective scavenger of reactive nitrogen compounds nitric oxide and peroxynitrite, important in the inflammatory response.

Preparation

Aminopyrine is synthesized from 4-Aminoantipyrine by catalytic hydrogenation (alkylation). Water is firstly added to the dissolving tank, heated to 50-60°C, put into 4-Aminoantipyrine under stirring, and poured into the hydrogenation tank after complete dissolving. Wash the dissolving tank with water, mix it with the nickel catalyst, and then add it to the hydrogenation tank. The hydrogenation tank was evacuated, then the vacuum valve was closed, hydrogen was introduced, and stirring was started. When the pressure rose to 0.245MPa, the hydrogen was stopped. Add formaldehyde and continue to feed hydrogen. The speed of adding formaldehyde is based on the standard of 1.8-2 cubic meters of hydrogen absorption per 5L of formaldehyde, and the reaction temperature is controlled at 60-85°C. After passing the test, filter by pressure, cool the filtrate to below 25°C, and separate out crystals, which are then filtered to obtain the crude aminopyrine. The crude aminopyrine, ethanol, and activated carbon were heated to 75-80°C, stirred for 1 hour, and filtered under pressure. The filtrate was cooled to 10°C, crystals were precipitated, filtered, washed with ethanol, and air-dried to obtain aminopyrine.

Definition

ChEBI: Aminopyrine is a pyrazolone that is 1,2-dihydro-3H-pyrazol-3-one substituted by a dimethylamino group at position 4, methyl groups at positions 1 and 5 and a phenyl group at position 2. It exhibits analgesic, anti-inflammatory, and antipyretic properties. It has a role as a non-steroidal anti-inflammatory drug, a non-narcotic analgesic, an antipyretic, an environmental contaminant and a xenobiotic. It is a tertiary amino compound and a pyrazolone.

brand name

Adexogan;Agevis;Algimicin anttitermico;Amidazopen;Amidozen;Anoixal;Antigripina;Areumal;Axiston;Balbion;Barsedan;Baukal suppositories;Bayer 1387 p;Bronchisan;Brufaneuseol;Butapyrine;Capsyka dr knapf;Capysal;Chinopyrin;Cibalgin;Ciclazon;Clinit;Coffan;Compral;Cusayth;Demolpas;Dentigoa;Depiral c;Dexa escopyrin;Dha 51;Dialpyrin;Digisab;Dimametten;Dimopyrin;Diprin;Dolo-attirin;Dolo-optineural;Dolorphen;Dolovosano;Donobin;Duerin;Dysmensan;Escopyrinus;Espasnatex;Eufibran;Euprogan;Febren;Febrosolvin;Fenodone;Fever;Flivalgin;Flumil;Framidone;Ftalazon;Funapon;Galenopyrin;Glucopirina;Glucopitina;Helvagit-f;Hemicraneal;Hisense-p;Influnal depot;Inst;Irgapyrine;Isoftal;Kalmine;Katareuma;Lagaflex;Latepyrine;Lauroanginol;Manslu;Medispanmin;Meloka;Neuro-demoplast;Nifedon;Nikartrone;Nostress;Optineural(analgesic);Optipax;Osadrine;Osmotipax;P.s.b.p.;Piracodid;Piradenil;Piradol;Pirasco;Piraseptolo.

World Health Organization (WHO)

Aminophenazone, a pyrazolone derivative, has been used as an antiinflammatory and analgesic agent for over a century. Its use has been associated with cases of bone marrow depression and agranulocytosis and more recently it has been claimed to have a carcinogenic potential. Products containing aminophenazone have been formally withdrawn in many countries and marketing has been voluntarily suspended in others. Elsewhere, however, proprietary preparations containing this ingredient may remain available. (Reference: (WHODI) WHO Drug Information, 3, 9, 1977)

General Description

Small colorless crystals or white crystalline powder. Aqueous solution slightly alkaline to litmus. pH (5% water solution) 7.5-9. Odorless. Slightly bitter taste.

Air & Water Reactions

Water soluble.

Reactivity Profile

Aminophenazone is sensitive to exposure to light. Aminophenazone is readily attacked by mild oxidizing agents in the presence of water. Aminophenazone is incompatible with acacia, apomorphine, aspirin, chloral hydrate, iodine and tannic acid.

Fire Hazard

Flash point data for Aminophenazone are not available; however, Aminophenazone is probably combustible.

Biochem/physiol Actions

Antipyrine was found to be nonmutagenic when screened against Salmonella typhimurium tester strains TA100, TA98, TA97, TA102 and TA104.

Safety Profile

Human poison by unspecified route. Experimental poison by ingestion, subcutaneous, intramuscular,intravenous, and intraperitoneal routes. Moderately toxic by parenteral route. Experimental teratogenic and reproductive effects. Questionable carcinogen when mixed with NaNO2 (1:l). Mutation data reported. Can cause bone marrow depression resulting in leucopenia. Has been implicated in development of aplastic anemia. A tranquilizer. When heated to decomposition it emits toxic fumes of NOx.

Metabolism

Aminopyrine is very slowly metabolized by normal neonate. In older infants, a higher amount of exhaled 13-CO2 is observed. In chicken aminopyrine-N-demethylase inhibits the activities of some important P-450 enzymes. It is mostly metabolized through N-demethylation to form monomethyl-4-antipyrine and formaldehyde, which can be measured by colorimetry Nash. Aminopyrine Ndemethylase is almost equal to isoform CYP-3A4 and closely linked to the methylation reaction of drugs.
why Aminopyrine Banned?

Purification Methods

It crystallises from pet ether, sublimes between 80o and 90o, and forms metal complexes. [Beilstein 25 H 452, 25 III/IV 3555.]

Aminopyrine Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Aminopyrine manufacturers

WUHAN CIRCLE POWDER TECHNOLOGY CO.,LTD
Product
4-DiMethylaMino Antipyrine 58-15-1
Price
US $0.00/KG
Min. Order
100g
Purity
98%+
Supply Ability
100kg
Release date
2020-10-24
shandong perfect biotechnology co.ltd
Product
aminophenazone 58-15-1
Price
US $0.00/g
Min. Order
1g
Purity
98% HPLC
Supply Ability
100kg
Release date
2023-08-08
Henan Bao Enluo International TradeCo.,LTD
Product
4-DiMethylaMino Antipyrine 58-15-1
Price
US $50.00/kg
Min. Order
1kg
Purity
99.9%
Supply Ability
10000MT
Release date
2023-07-25

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