MAGALDRATE
Application:
Used as an Antacid Raw material in a specific antacid formulations.
MAGALDRATE IP
CAS No. : 74978-16-8
Molecular Formula : Al5Mg10(OH)31(SO4)2, xH2O
Molecular Weight : 1097.40 gm/mol
Category : Antacid
Storage Condition : Store protected from moisture
Source : IP-2010 Vol-2, Page No.1617
MAGALDRATE BP
CAS No. : 74978-16-8
Molecular Formula : Al5Mg10(OH)31(SO4)2
Molecular Weight : 1097.00 gm/mol
Source : BP-2013
MAGALDRATE USP
CAS No. : 74978-16-8
Molecular Formula : Al5Mg10(OH)31(SO4)2.xH2O
Molecular Weight : 1097.38 gm/mol
Storage Condition : Preserve in well-closed container
Source : USP-34, Page No. 3355
| Sr. No. | Test Parameters | Limit |
|---|
|
1
|
Description
|
White or almost white crystalline powder.
|
|---|
|
2
|
Solubility
|
Practically insoluble in water and in alcohol, soluble in dilute mineral acids.
|
|---|
|
3
|
Identification: (A) (B) (C)
|
White crystalline precipitate is produced which does not dissolve in dilute ammonia solution. It gives the reaction of aluminum. It gives the reaction of sulphates.
|
|---|
|
4
|
Soluble Chloride
|
Not more than 3.5 %
|
|---|
|
5
|
Soluble Sulphate
|
Not more than 1.9 %
|
|---|
|
6
|
Sulphate
|
Between 16 % to 21 %
|
|---|
|
7
|
Al (OH)3 (Dried Basis)
|
Between 32.1 % to 45.9 %
|
|---|
|
8
|
Mg(OH)2 (Dried Basis)
|
Between 49.2 % to 66.6 %
|
|---|
|
9
|
Sodium (By AAS)
|
Not more than 0.10 %
|
|---|
|
10
|
Heavy Metals
|
Not more than 30 ppm
|
|---|
|
11
|
Loss on Drying
|
Between: 10.0 % to 20.0 % at 200° C
|
|---|
|
12
|
Assay (Dried Basis)
|
Between 90% to 105% of Al5Mg10(OH)31(SO4)2
|
|---|