Formaldehyde Solution 37–41%
CAS 50-00-0·CH₂O
Formalin for histological fixation and preservation, in AR and molecular-biology grades.
Grades offered
- EXTRA PUREExtra PureThe general-purpose tier on most Indian catalogues.
- ARAnalytical ReagentHigh purity with certified assay and stated trace-impurity limits.
- MOLECULAR BIOLOGYFor Molecular BiologyCertified free of DNase, RNase and protease.
Typical applications
- 10% neutral buffered formalin for histology
- Specimen preservation
- Protein cross-linking
Formaldehyde Solution 37–41%
CH₂O · M.W. 30.03 g/mol
- CAS
- 50-00-0
- Assay
- 37–41% w/v, methanol stabilised
- Batch
- Use before
Controlled supply
Classified as a human carcinogen (IARC Group 1). Requires fume extraction at the point of use and occupational exposure monitoring.
Enquire on WhatsAppOther ways to reach usPack sizes
- 500 ml
- 2.5 L
- 25 LOn request
Identification
| CAS number | 50-00-0 |
|---|---|
| Molecular formula | CH₂O |
| Molecular weight | 30.03 g/mol |
| Assay | 37–41% w/v, methanol stabilised |
| Also known as | Formalin, Methanal solution |
Hazard identification
Signal wordDanger
- CorrosiveGHS05
- Acute toxicityGHS06
- Serious health hazardGHS08
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H331Toxic if inhaled
- H341Suspected of causing genetic defects
- H350May cause cancer
TransportUN2209Packing groupIII
Controlled supply
Classified as a human carcinogen (IARC Group 1). Requires fume extraction at the point of use and occupational exposure monitoring.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
