L-Aspartic acid,
(QB1118-91)
[C4H7NO4]
Description:
Orthorhombic
bisphenodal leaflets or rods. Molecular weight: 133.10. CAS#56-84-8.
Application:
Food and pharmaceutical industry. Non-essential amino acid for human development.
Specifications:
|
|
Specs |
|
Assay: |
98.5% Min. |
|
Transmittance: |
98% Min. |
|
Specific rotation [a]D20:
|
+24.8° - +25.8° |
|
Loss on drying: |
0.20% Max. |
|
Residue on ignition: |
0.1% Max. |
|
Other amino acids: |
N.D. |
|
Arsenic(As): |
2 ppm Max. |
|
Sulfate(SO42-): |
0.03% Max. |
|
Fe(Fe): |
0.001% Max. |
|
Chloride(Cl-): |
0.02% Max. |
|
Ammonia (NH4+): |
0.05% Max. |
|
Heavy metals (as Pb): |
10 ppm Max. |
Packing:
Packed in 25Kg
bags. May be shipped on pallets or super sacks in 20-foot container.
Storage
conditions:
Conditions of
high humidity and elevated temperatures should be avoided.
Technical
services:
If we can be of
any assistance to you in testing, product evaluation, or applications research,
please contact the corporate office.
L-Aspartic acid, FCCIV
[C4H7NO4]
Description:
Orthorhombic
bisphenodal leaflets or rods. Molecular weight: 133.10. CAS#56-84-8.
Application:
Food and pharmaceutical industry. Non-essential amino acid for human development.
Specifications:
|
|
Specs |
Typical |
|
Assay: |
98.5% - 101.5% |
99.2% |
|
Specific rotation [a]D20:
|
+24.5° - +26.0° |
+24.9° |
|
Loss on drying: |
0.25% Max. |
0.06% |
|
Residue on ignition: |
0.1% Max. |
0.01% |
|
Arsenic(As): |
1.5 ppm Max. |
<1 ppm |
|
Lead (Pb): |
5 ppm Max. |
<5 ppm |
|
Heavy metals (as Pb): |
10 ppm Max. |
<10 ppm |
Packing:
Packed in 25Kg
bags. May be shipped on pallets or super sacks in 20-foot container.
Storage
conditions:
Conditions of
high humidity and elevated temperatures should be avoided.
Technical
services:
If we can be of
any assistance to you in testing, product evaluation, or applications research,
please contact the corporate office.
L-aspartic acid, AJI97
[C4H7NO4]
Description:
Orthorhombic
bisphenodal leaflets or rods. Molecular weight: 133.10. CAS#56-84-8.
Application:
Food and pharmaceutical industry. Non-essential amino acid for human development.
Specifications:
The
specifications are in full compliance with AJI97 standards.
|
|
Specs |
Typical |
|
Assay: |
98.5% - 101.0% |
99.3% |
|
Transmittance: |
98% Min. |
99.0% |
|
Specific rotation [a]D20: |
+24.8° - +25.8° |
+25.2° |
|
Loss on drying: |
0.2% Max. |
0.04% |
|
Chloride: |
0.02% Max. |
<0.01% |
|
Ammonium: |
0.02% Max. |
<0.02% |
|
Sulphate (SO42-): |
0.02% Max. |
<0.01% |
|
Heavy metals (as Pb): |
10 ppm Max. |
<10 ppm |
|
Iron: |
10 ppm Max. |
<10 ppm |
|
Arsenic(As): |
1 ppm Max. |
<1 ppm |
|
Residue on ignition: |
0.1% Max. |
0.01% |
|
pH value: |
2.5-3.5 |
3.1 |
|
Other amino acids: |
Not detectable |
None |
|
Pyrogen |
Negative |
Conforms |
Packing:
Packed in 25Kg
bags. May be shipped on pallets or supper sacks in 20-foot container.
Storage
conditions:
Conditions of
high humidity and elevated temperatures should be avoided.
Technical
services:
If we can be of
any assistance to you in testing, product evaluation, or applications research,
please contact the corporate office.
L-Aspartic acid,
Special
[C4H7NO4]
Description:
Orthorhombic
bisphenodal leaflets or rods. Molecular weight: 133.10. CAS#56-84-8.
White,
free-flowing crystalline powder.
Application:
Food and pharmaceutical industry. Non-essential amino acid for human development.
Specifications:
|
|
Specs |
|
Identification (IR): |
Conforms to Standard Spectrum |
|
Assay: |
98.5% - 101.5% |
|
Specific rotation [a]D20 (8g in solution of 6N HCl @ 20°): |
+24.5° - +26.0° |
|
Light transmission: |
95.0% Min. |
|
Loss on drying: |
0.25% Max. |
|
Residue on ignition: |
0.1% Max. |
|
Arsenic (As): |
2 ppm Max. |
|
Lead (Pb): |
5 ppm Max. |
|
Ammonium: |
0.15% Max. |
|
Heavy metals (as Pb): |
10 ppm Max. |
|
Other amino acids (TLC): |
Report Results |
|
Particle size (Cumulative % weight
retained): |
2.4 max on 40
mesh Alpine (2.5% Rotap) 25% max on 100 mesh Alpine (26% Rotap) |
Packing:
Packed in 1000 Kg
bags. Shipped on 40”x48” pallets.
Storage
conditions:
Conditions of
high humidity and elevated temperatures should be avoided.
Revised Feb. 16,
2001