Histidine Amino Acid

  • Chemical Name: L-Histidine
  • CAS No.:71-00-1
  • MF: C6H9N3O2
  • MW:155.15
  • Purity:>99% or As customer requested
  • Color:White to off-white or pale yellow
  • Product Categories: Amino Acids; Biochemistry; Nutritional Supplements
  • Test method: HPLC


What is Histidine Amino Acid?

Histidine amino acid, a protein amino acid obtained through hydrolysis. An especially rich source, hemoglobin (the oxygen-conveying shade of red platelets) yields around 8.5 percent by weight of histidine. Histidine, one of several so-called essential amino acids for humans, was first isolated in 1896 from various proteins. They can’t make it, so they have to get it from food. In microorganisms histidine is orchestrated from the sugar ribose and the nucleotide adenosine triphosphate.

Basic information  

Product Name: L-Histidine

L-histidine; Istidina; histidina; Histidinum; histidina

CAS: 71-00-1
MF: C6H9N3O2
MW: 155.15
EINECS: 200-745-3
Product Categories: Amino Acids; Biochemistry; Nutritional Supplements; alpha-Amino Acids; amino
Chemical Structure


Chemical Properties   

Melting point  282 °C (dec.)(lit.)
alpha  12.4 º (c=11,6N HCl)
Boiling point  278.95°C (rough estimate)
density  1.3092 (rough estimate)
refractive index  13 ° (C=11, 6mol/L HCl)
storage temp.  2-8°C
solubility  H2O: 50 mg/mL
form  powder
pka 1.8(at 25℃)
color  White to off-white or pale yellow
PH 7.0-8.0 (25℃, 0.1M in H2O)
PH Range 7 – 8 at 15.5 g/l at 25 °C
optical activity [α]20/D 39±1°, c = 2% in H2O
Water Solubility  41.6 g/L (25 ºC)
λmax λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05
JECFA Number 1431
Merck  14,4720
BRN  4673585
Stability: Stable. Incompatible with strong oxidizing agents.
Usage And Synthesis

Description White, odorless crystals or crystalline powder having a slightly bitter taste. It is soluble in water, very slightly soluble in alcohol, and insoluble in ether. It melts with decomposition between about 277° and 288°C.
Chemical Properties L-Histidine is an odorless powder with slightly bitter taste

Histidine Amino Acid Uses

Histidine amino acid is an essential amino acid that is required by the body primarily during childhood growth. As a result, it can be found in food or in supplements.

Different food items that incorporate histidine are given as meat, fish, and dairy items.

Transferring a significant amount of iron and copper is also beneficial.

Because it increases calcium absorption and lowers amino acid amino acids histidine levels, it can control diarrhea. Constipation, for instance, would result from excessive consumption.

It has a symbolic mechanism that stops blood from clotting and going inside the body.

Support for joints 

L-histidine may help joints work well, especially when gamma globulin is present in the synovial fluid. Unhealthy inflammatory conditions may result from this globular protein.

MSDS: MSDS available.

COA: COA can be available if you send us inquiry.

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