China (Mainland)
L-Histidine dihydrochloride CAS NO.1007-42-7
- Min.Order: 1 Kilogram
- Payment Terms:
- Product Details
Keywords
Quick Details
- ProName: L-Histidine dihydrochloride
- CasNo: 1007-42-7
- Molecular Formula: C6H9N3O2.xClH
- Appearance: white powder
- PackAge: 25kg fiber drum
- Purity: 99.0%
- LimitNum: 1 Kilogram
Superiority
L-Histidine HCl (L-Histidine hydrochloride monohydrate) 1. Description: Name: L-Histidine hydrochloride monohydrate Molecular Formula: C6H9N3O2.Hcl…
Details
L-Histidine HCl (L-Histidine hydrochloride monohydrate)
1. Description:
Name: L-Histidine hydrochloride monohydrate
Molecular Formula: C6H9N3O2.Hcl.H2O
Molecular Weight: 209.63
Melting point: 254 oC
Alpha: 9.9 o (c=11, 6 N HCl)
Water solubility: 169.9 g/L (20 oC)
2. Quality Standard
Item AJI92
Assay 99.0-101.0%
pH 3.5-4.5
Specific rotation[a]D020 +8.9°-+9.5°
Transmittance(T430) clear & colorless
Min. 98.0%
Chloride(Cl) 16.66%-17.08%
Ammonium(NH4) max.0.02%
Sulfate(SO4) max.0.02%
Iron(Fe) max.10ppm
Heavy metals(Pb) max.10ppm
Arsenic max.1ppm
Other amino acids conforms
Loss on drying max.0.20%
Residue on ignition max.0.10%
3. Packing and Storage:
Package: Fiber Drum outside,double PE bags inside .(25kgs)
Storage: Cool, dry, dark in closed containers; recommended limit 2 years.
