Sodium Metabisulphite 96.5%
CAS 7681-57-4·Na2S2O5
Na2S2O5, M.W. 190.10. Offered in Extra Pure, AR/ACS, ACS and AR grades. Listed in 5 pack sizes from 500 g to 50 kg.
Grades offered
- EXTRA PUREExtra PureThe general-purpose tier on most Indian catalogues.
- AR/ACSAnalytical Reagent, ACS specificationAR grade additionally meeting American Chemical Society limits.
- ACSACS ReagentConforms to ACS Reagent Chemicals specifications.
- ARAnalytical ReagentHigh purity with certified assay and stated trace-impurity limits.
- IPIndian PharmacopoeiaComplies with the current Indian Pharmacopoeia monograph.
Sodium Metabisulphite 96.5%
Na2S2O5 · M.W. 190.10
- CAS
- 7681-57-4
- Assay
- 96.5%
- HSN
- 28321090
- Batch
- Use before
Add to enquiry
Add as many products as you need and send one enquiry covering all of them, or send this item on its own. Bulk and drum quantities are quoted on request.
Pack sizes
- 500 g
- 1000 g
- 5000 g
- 25 kgOn request
- 50 kgOn request
Identification
| CAS number | 7681-57-4 |
|---|---|
| Molecular formula | Na2S2O5 |
| Molecular weight | 190.10 |
| Assay | 96.5% |
| HSN code | 28321090 |
| Also known as | Sodium pyrosulfite, Sodium disulfite, Confirming to BP, Sodium pyrosulphite |
Related products
Oxalic Acid Dihydrate
CAS 6153-56-6Primary-standard oxalic acid for permanganate standardisation, with ready 0.1 N solution.
C₂H₂O₄·2H₂O · 126.07 g/mol · ≥ 99.5%
Ex-stockEXTRA PUREARAR/ACS500 g · 5 kg
Specification for Oxalic Acid Dihydrate
Specification for Oxalic Acid Dihydrate Pack sizes 500 g · 5 kg Signal word Danger Transport UN3261 · Packing group III Grades offered
EXTRA PUREARAR/ACSTypical applications
- Standardisation of potassium permanganate
- Primary standard for alkali titration
Full record, hazard data and enquiry for Oxalic Acid Dihydrate →
Citric Acid Anhydrous
CAS 77-92-9Anhydrous citric acid in AR and pharmacopoeial grades for buffer systems and chelation.
C₆H₈O₇ · 192.12 g/mol · ≥ 99.5%
Ex-stockEXTRA PUREARIPUSP+1500 g · 5 kg · 25 kg
Specification for Citric Acid Anhydrous
Specification for Citric Acid Anhydrous Pack sizes 500 g · 5 kg · 25 kg — on request Grades offered
EXTRA PUREARIPUSPFCCTypical applications
- Citrate and citrate–phosphate buffer preparation
- Metal chelation
- Food and beverage analysis
Full record, hazard data and enquiry for Citric Acid Anhydrous →
Dextrose Anhydrous
CAS 50-99-7Anhydrous D-glucose in AR and pharmacopoeial grades for media and assay work.
C₆H₁₂O₆ · 180.16 g/mol · ≥ 99.5%
Ex-stockEXTRA PUREARAR/ACSIP+1500 g · 5 kg
Specification for Dextrose Anhydrous
Specification for Dextrose Anhydrous Pack sizes 500 g · 5 kg Grades offered
EXTRA PUREARAR/ACSIPUSPTypical applications
- Microbiological culture media
- Reducing sugar determination
- Fermentation substrate
Also known as
- D-Glucose anhydrous
- Grape sugar
Full record, hazard data and enquiry for Dextrose Anhydrous →
Urea
CAS 57-13-6Urea in AR and molecular-biology grades for protein denaturation and nitrogen work.
CH₄N₂O · 60.06 g/mol · ≥ 99.5%
Ex-stockEXTRA PUREARMOLECULAR BIOLOGYIP500 g · 5 kg
Specification for Urea
Specification for Urea Pack sizes 500 g · 5 kg Grades offered
EXTRA PUREARMOLECULAR BIOLOGYIPTypical applications
- Protein denaturation buffers
- Urease and nitrogen determination
- Chaotropic agent in electrophoresis
Also known as
- Carbamide
