Short Description:

Product Name: D- Tryptophan

CAS No: 153-94-6

Molecular FormulaC11H12N2O2

Molecular Weight 204.23


Product Detail

Quality inspection

Product Tags


Appearance of Solution (1% aq. soln.) Clear colorless to light yellow
Assay Percent Range 99%
Infrared Spectrum Authentic
Loss on Drying 0.5% max.
Formula Weight 204.23
Specific Rotation + 31.50
Physical Form Powder
Solubility Solubility in water: 11g/L (20°C). Other solubilities: soluble in alkali hydroxides, soluble in hot alcohol, insoluble in chloroform
Percent Purity 99%
Specific Rotation Condition + 31.50 (24.00°C c=1,H2O)
Color White to Yellow
Melting Point 282.0°C to 285.0°C
Chemical Name or Material D(+)-Tryptophan

Appearance: White to off-white powder
Purity: 99%min
Product Quality meets: Our company standards.
Stock status: Usually keep 1500-2000KGs in stock.
Application: it is widely used in food additives, pharmaceutical intermediate.
Package: 25kg / barrel

Physicochemical properties

Appearance and character: white or yellow crystalline powder
Density: 1.362 g / cm3
Melting point: 282-285 ° C
Boiling point: 447.9 ° C at 760 mmHg

security information

Customs Code: 2933990090
Hazard Code: R36 / 37 / 38
Safety instruction: S24 / 25
RTECS No.: yn6129000
Dangerous goods sign: Xi

First aid measures

First aid:

1.Inhalation: if inhaled, move the patient to fresh air.
2.Skin contact: take off contaminated clothes and wash skin thoroughly with soapy water and water. If you feel unwell, see a doctor.
3.Eye clear contact: separate eyelids, wash with flowing water or normal saline. See a doctor immediately.
4.Ingestion: gargle. See a doctor immediately.
Advice to protect the rescuer:
Transfer the patient to a safe place. Consult your doctor.

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