D-Homophenylalanine Property

Melting point:

>300 °C (lit.)

alpha 

-45 º (c=1, 3N HCl 19 ºC)

Boiling point:

311.75°C (rough estimate)

Density 

1.1248 (rough estimate)

refractive index 

-45 ° (C=1, 3mol/L HCl)

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

Aqueous Acid (Sparingly), Aqueous Base (Slightly)

pka

2.32±0.10(Predicted)

form 

Solid

color 

White to Off-White

BRN 

4675530

CAS DataBase Reference

82795-51-5(CAS DataBase Reference)

Safety

Hazard Codes 

Xi

Safety Statements 

22-24/25

WGK Germany 

3

HS Code 

29224999

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H226Flammable liquid and vapour

H302Harmful if swallowed

H311Toxic in contact with skin

H314Causes severe skin burns and eye damage

H317May cause an allergic skin reaction

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H370Causes damage to organs

H373May cause damage to organs through prolonged or repeated exposure

H401Toxic to aquatic life

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P284Wear respiratory protection.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

P405Store locked up.

D-Homophenylalanine Chemical Properties,Usage,Production

Chemical Properties

BEIGE POWDER

Uses

D-Homophenylalanine is used in peptide synthesis as an amino acid protection monomer.

Preparation

Synthesis of D-Homophenylalanine: To obtain D-homophenylalanine in high yield by treating 5- benzylmethylhydantoin with a microorganism belonging to the genus Pseudomonas or a 5-hydantoin decomposition-type enzyme derived from the microorganism.