Nickel analysis
Spot tests, gravimetric and photometric determination of nickel.
Powder
Laboratory Reagents · Extra Pure
Dimethylglyoxime
Also known as DMG, Diacetyl dioxime and Chugaev reagent
CAS95-45-4
FormulaC₄H₈N₂O₂
MW116.12
PubChem135459645
DMG, minimum 99.0% by GC: the classic reagent for nickel, giving a red precipitate.
Assay≥ 99.0%
GradeExtra Pure
MW116.12
ISO 9001:2015 certified supplier
Overview
About Dimethylglyoxime
Dimethylglyoxime is a white crystalline reagent, soluble in ethanol.
With nickel(II) it forms a bright red complex, the basis of the standard test and gravimetric method for nickel. It also reacts selectively with palladium.
IdentityC₄H₈N₂O₂
- CAS number
- 95-45-4
- Molecular formula
- C₄H₈N₂O₂
- Molecular weight
- 116.12
- PubChem CID
- 135459645
- Appearance
- White to off-white crystals or powder
- Grade
- Extra Pure
Technical specification
Specification, Extra Pure grade
Every batch is released against these limits. Ask for the specification sheet with your quote.
| # | Test | Specification |
|---|---|---|
| 01 | Appearance (colour) | White to off-white |
| 02 | Appearance (form) | Crystals or powder |
| 03 | Solubility | Soluble in ethanol |
| 04 | Melting point | 238 °C to 242 °C |
| 05 | Sensitivity | Turns red-pink with nickel (colorimetric test) |
| 06 | Loss on drying | Not more than 1.0% |
| 07 | Assay (GC) | Not less than 99.0% |
Need a tighter limit or an extra test? Send us your specification with your enquiry.
Specification sheet (PDF)
Applications
Where Dimethylglyoxime is used
Palladium & metals
Selective precipitation of palladium and nickel in refining and analysis.
Nickel-release testing
Testing jewellery and metal articles for nickel release.
Packing
Sealed, labelled and ready to ship
Every container carries the product name, batch number, dates and hazard labels. Other pack sizes are available on request.
250 gSealed bottle
500 gSealed bottle
25 kgBulk pack
Storage & handling
Store cool, dry and closed
- Keep in the original, tightly closed container in a cool, dry, well-ventilated place.
- Protect from moisture, heat and direct sunlight, and keep away from incompatible materials.
- Wear gloves and eye protection when handling and avoid raising dust.
Read the MSDS for full hazard, first-aid and disposal information.
Documents
Specification and safety documents
Ask for any of these and we will email them with your quote.
Questions
Frequently asked
Which pack sizes can I order?
250 g, 500 g and 25 kg packs as standard. Tell us if you need a different size or a repeat schedule.
Can you supply against our own specification?
Send your specification with your enquiry. Our team will confirm which limits we can meet before you order.
Do you ship outside India?
Yes. We hold an Import Export Code and supply both domestic and export buyers. Mention the destination country in your enquiry so we can quote the right packing and documents.
Related products
Other laboratory reagents
Enquire
Get a quote for Dimethylglyoxime
Tell us the quantity, pack size and destination. We will confirm price, availability and lead time, and send the documents you need.
Phone & WhatsApp+91 77530 58907
Emailankur.agrawal@spacorporation.in