pyrimethamine Powder
58-14-0
Pharmaceutical Grade
99%
shenzhen
Flying
10g/1kg/ 10kg/ 25kg
2026-05-30
vitamin
-
Product Description
-
Seller Information
-
DescriptionBasic Info
-
Product Name:
Pyrimethamine
Other Name:2,4-Pyrimidinediamine,5-(4-chlorophenyl)-6-ethyl-;Pyrimidine,2,4-diamino-5-(p-chlorophenyl)-6-ethyl-;5-(4-Chlorophenyl)-6-ethyl-2,4-pyrimidinediamine;4753 R.P.;BW 50-63;Chloridin;Chloridine;Darapram;Daraprim;2,4-Diamino-5-p-chlorophenyl-6-ethylpyrimidine;Malocide;Pyrimethamine;Daraprime;5-(4-Chlorophenyl)-2,4-diamino-6-ethylpyrimidine;2,4-Diamino-5-(4-chlorophenyl)-6-ethylpyrimidine;5-(P-Chlorophenyl)-6-ethyl-2,4-diaminopyrimidine;Darachlor;Malocid;Pirimetamin;Tindurin;Khloridin;Malacid;Pyrimethamin;Pirimecidan;Diaminopyritamin;Erbaprelina;NSC 3061;WR 2978;RP 4753;Tinduring
CAS No.:58-14-0
Molecular Formula:C12H13ClN4
InChIKeys:InChIKey=WKSAUQYGYAYLPV-UHFFFAOYSA-N
Molecular Weight:248.71
Exact Mass:248.71
EC Number:200-364-2
UNII:Z3614QOX8W
NSC Number:757306|3061
UN Number:2811
DSSTox ID:DTXSID9021217
NCI Thesaurus Code:C788
Color/Form:Crystals|White scored tablets contains 25 mg pyrimethamine /Daraprim/
ATC Code:P01BD01|P - Antiparasitic products, insecticides and repellents
HScode:2933599090
Categories:
Characteristics-
PSA:
77.8
XLogP3:2.7
Appearance:Pyrimethamine is an odorless white crystalline powder. Tasteless. An antimalarial drug.
Density:1.4±0.1 g/cm3
Melting Point:233.5 °C
Boiling Point:491.5°C at 760 mmHg
Flash Point:176.6±30.7 °C
Refractive Index:1.667
Water Solubility:H2O: <0.01 g/100 mL at 21 ºC
Storage Conditions:0-6°C
Vapor Pressure:1.32X10-8 mm Hg at 25 deg C (est)
Toxicity:LD50 oral in rat: 440mg/kg
PKA:7.34(at 20 °C)
Henrys Law Constant:Henry's Law constant = 1.08X10-10 atm-cu m/mol at 25 °C (est)
Dissociation Constants:7.34 (at 20 °C)|pKa = 7.34 at 20 °C (conjugate acid)
Collision Cross Section:155.8 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]
Experimental Properties:Hydroxyl radical reaction rate constant = 2.0X10-10 cu cm/molecule-sec at 25 °C (est)
Air and Water Reactions:Insoluble in water.
Reactive Group:Amines, Phosphines, and Pyridines
Reactivity Profile:PYRIMETHAMINE is sensitive to exposure to light (NTP, 1992). Neutralizes acids to form salts plus water in exothermic reactions. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
GHS label elements, including precautionary statements
Pictogram(s)
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
Precautionary statement(s) 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 StoragePrecautions 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 at 15 deg to 25 deg C (59 deg to 77 deg F) in a dry place and protect from light.
-
-
Seller Information
-
Business Type:
Trader
-
Main Products:
vitamin
-
Location:
Room 2-502, Building 6, Luneng Tehran Garden Building, No.8 Changbin Road, Xiuying district, Haikou City, Hainan Province
-
Payment Terms:
TT against copy of documents,TT against B/L draft before shipment
-
Average lead Time:
25
-
Total Annual Revenue:
$2.5 million-$5 million
-
Total Employees:
Less than 5
-
Year of Establishment:
2023
-
-
Country Product Purchase Quantity Date Posted Post an enquiry for this product
Hot Related Products
-
CHLOROBENZYLCYANIDE-4 Colorless to light yellow solid -
CHLOROBENZYLCYANIDE-4 -
Chemical Reagents>Organic reagents>Boric acid>4-Chlorophenylboronic acid -
high quality Ethyl Propionate 99% transparent liquid KANBEI -
High Quality 99% Purity of Ethyl propionate CAS NO 105-37-3 ISO 9001:2005 REACH Verified Producer -
Ethyl propionate