Audited Supplier
| Name | Ninhydrin hydrate |
| Synonyms | Ninhydrin monohydrate; 1,2,3-Indantrione monohydrate; 2,2-Dihydroxy-1,3-indanedione; Trioxohydrindene monohydrate |
| Molecular Structure | |
| Molecular Formula | C9H6O4 |
| Molecular Weight | 178.14 |
| CAS Registry Number | 485-47-2 |
| EC Number | 207-618-1 |
| SMILES | C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O |
| Density | 0.862 |
|---|---|
| Melting point | 250 ºC |
| Water solubility | 0.1-0.5 g/100 mL at 20 ºC |
Ninhydrin hydrate is the hydrate of Indene Tripone. Molecular formula C9H6O4. Molecular weight 178.14. Light yellow columnar crystals. Melting point 241 ºC (decomposition). Heat to above 100 ºC and the color will turn red. Easy to dissolve in water and ethanol, slightly soluble in ether and chloroform. Indene ketone can be synthesized by cyclization, hydrolysis, and decarboxylation of diethyl phthalate and ethyl acetate, followed by oxidation and hydration with selenium dioxide
Ninhydrin hydrate can be used as an analytical reagent to identify substances such as amino acids, proteins, peptides, vitamin C. When hydrated ninhydrin reacts with these substances, a specific color change occurs, such as dark blue or purple, which is called the ninhydride reaction. This reaction is very sensitive and can be used for quantitative determination of amino acid content in samples, or as a color reagent for qualitative and quantitative determination when separating amino acids.
Ninhydrin hydrate is a sensitive colorimetric reagent for proteins, amino acids, and peptones. Indene-1,3-dione has two additional hydroxyl substituents at position 2. Hydrated indole-3-acetic acid has the function of serving as a color indicator and human metabolite.
FAQ
Question 1: Can I get samples?
Answer: Yes,you can get free samples of our most products,
while the courier cost will be borne by the buyers.
Question 2: What's your MOQ?
Answer: For a express delivery order,the MOQ is usually 100 g~1 kg;
for an air transport order or sea delivery order ,the MOQ is usually 25 kgs.
Question 3: What's your delivery time?
Answer:
Orders shipped by express delivery,the delivery time is usually 5~7 working days;
Orders shipped by air transport,usually around 7~10 working days;
Orders shipped by sea , usually around 2~3 working weeks.
Question 4: What are the different payment methods?
Answer: We usually accept T/T, L/C and Western Union.
Question 5: How do you treat quality complaint?
We take quality very seriously, it is one of the founding principles of our business.
If the quality problem actually exists, we will replace with qualified goods or refund the money.
