Basic information Brand Name(s) in US Safety Supplier Related
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Sulfadimethoxine

Basic information Brand Name(s) in US Safety Supplier Related

Sulfadimethoxine Basic information

Product Name:
Sulfadimethoxine
Synonyms:
  • deposul
  • diasulfa
  • madroxin
  • madroxine
  • maxulvet
  • memcozine
  • metoxidon
  • n(sup1)-(2,6-dimethoxy-4-pyrimidinyl)-sulfanilamid
CAS:
122-11-2
MF:
C12H14N4O4S
MW:
310.33
EINECS:
204-523-7
Product Categories:
  • MADRIBON
  • APIs
  • Antibiotics for Research and Experimental Use
  • Biochemistry
  • Sulfonamides (Antibiotics for Research and Experimental Use)
  • Amines
  • Aromatics
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Sulfur & Selenium Compounds
Mol File:
122-11-2.mol
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Sulfadimethoxine Chemical Properties

Melting point:
200 °C
Boiling point:
265.5°C (rough estimate)
Density 
1.4006 (rough estimate)
refractive index 
1.6270 (estimate)
storage temp. 
Keep in dark place,Inert atmosphere,2-8°C
solubility 
NH4OH 1 M: 50 mg/mL, clear, faintly yellow
pka
pKa 5.94(H2O t = 25.0±0.5 I = 0.2) (Uncertain)
color 
White to Off-White
Water Solubility 
46.3mg/L(37 ºC)
Merck 
14,8905
BRN 
306856
CAS DataBase Reference
122-11-2(CAS DataBase Reference)
EPA Substance Registry System
Sulfadimethoxine (122-11-2)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38-43
Safety Statements 
26-36/37-24/25-23
RIDADR 
3249
WGK Germany 
3
RTECS 
WO9030000
8
HazardClass 
6.1(b)
PackingGroup 
III
HS Code 
29350090
Toxicity
LD50 orally in mice: >10 g/kg (Seki)

MSDS

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Sulfadimethoxine Usage And Synthesis

Brand Name(s) in US

Albon, Bactrovet, and generic

Chemical Properties

White Solid

Originator

Madribon,Roche,US,1958

Uses

Antibacterial.This compound is a contaminant of emerging concern (CECs).

Definition

ChEBI: A sulfonamide consisting of pyrimidine having methoxy substituents at the 2- and 6-positions and a 4-aminobenzenesulfonamido group at the 4-position.

Manufacturing Process

1.4 g of 4-phenylsulfonyl-2,6-dimethoxypyrimidine and 4 g of sodium sulfanilamide (both dried over potassium hydroxide) were very finely ground and heated in an oil bath for 10 hours at 120°C (inside temperature). The reaction mixture was taken up in 30 ml of water and treated with 3 ml of 2 N sodium hydroxide solution. After standing for one hour at 0°C, the turbid solution was filtered and the filtrate was made alkaline with sodium carbonate. After again standing for one hour at 0°C, the precipitate was filtered off (1.9 g of regenerated sulfanilamide) and the filtrate was neutralized with acetic acid, whereupon crystallization resulted. The isolated crystals of 4-sulfanilamido- 2,6-dimethoxypyrimidine weighed 1.3 g (84% of theory), melting point 190°C to 196°C.

Therapeutic Function

Antibacterial

Pharmaceutical Applications

2,4-Dimethoxy-6-sulfanilamido-1,3-diazine. A rapidly absorbed compound with a long half-life (38–40 h) and a high degree of protein binding (98%). Renal clearance is very slow, and daily dosage maintains adequate plasma levels.

Safety Profile

Moderately toxic by intraperitoneal, intravenous, and subcutaneous routes. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SOx and NOx.

Veterinary Drugs and Treatments

Sulfadimethoxine injection and tablets are approved for use in dogs and cats for respiratory, genitourinary, enteric and soft tissue infections caused by susceptible organisms. Sulfadimethoxine is used in the treatment of coccidiosis in dogs although not approved for this indication.
In horses, sulfadimethoxine injection is approved for the treatment of respiratory infections caused by Streptococcus equi.
In cattle, the drug is approved for treating shipping fever complex, calf diphtheria, bacterial pneumonia and foot rot caused by susceptible organisms.
In poultry, sulfadimethoxine is added to drinking water to treat coccidiosis, fowl cholera, and infectious coryza.

SulfadimethoxineSupplier

Wuhan Topule Gold
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Meryer (Shanghai) Chemical Technology Co., Ltd.
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3B Pharmachem (Wuhan) International Co.,Ltd.
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821-50328103-801 18930552037
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