Products
  • Products
  • Buy offers
  • Encyclopedia
  • Msds lib
  • Synthesis
  • Reach Info
  • Suppliers
Home> Hot Product Listed D   > D-Aspartic acid
1783-96-6 structure

D-Aspartic acid

CAS No.:1783-96-6
EINECS(EC#): 217-234-6
Molecular Weight:133.10268
Molecular Formula:C4H7NO4 (isomer)
Properties
Appearance
white powder
Density
1.514 g/cm3
Melting Point
300℃
Boiling Point
264.1oC at 760 mmHg
Refractive Index
-25 ° (C=8, 50% HCl)
Flash Point
113.5oC
Alpha
-25.8 o (C=5, 5N HCL)
Solubility
soluble
Color/Form
White, crystalline solid
Orthorhombic bisphenoidal leaflets or rods
Stability
Stable under normal temperatures and pressures.
HS Code
29224995
Storage temp
Store at RT.
Spectral properties
Specific optical rotation: +25.0 deg (c= 1.97 g in 100 ml 6 N hydrochloric acid) at 20 deg C/D
SPECIFIC OPTICAL ROTATION (WATER): +4.36 DEG @ 20 DEG C/D
IR: 18085 (Sadtler Research Laboratories IR Grating Collection)
MASS: 30615 (NIST/EPA/MSDC Mass Spectral Database, 1990 version)
UV: 1-30 (Phillip et al., Organic Electronic Spectral Data, John Wiley & Sons, NY)
Safety and Handling
Hazard Codes
Xn
Risk Statements
R20/21/22
Safety Statements
S24/25
Safety

Hazard Codes?of D-Aspartic acid (CAS NO.1783-96-6):?HarmfulXn
Risk Statements:?20/21/22-36/37/38?
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements:?24/25-36-26?
S24/25: Avoid contact with skin and eyes.?
S36: Wear suitable protective clothing.?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany:?3
RTECS:?CI9097500

Toxicity

1. RTECS#: CAS# 1783-96-6: CI9097500?
2. L.D50/LC50: RTECS: Not available.?
3. Carcinogenicity: D-(-)ASPARTIC ACID - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.?
4. Other: The toxicological properties have not been fully investigated.?

?

Transport
25kgs
Formulations/Preparations
(VET) COMMERCIALLY AVAILABLE AS MIXT OF POTASSIUM & MAGNESIUM ASPARTATES= SPARTASE. /ASPARTIC ACID/
AVAILABLE COMMERCIALLY AS D(-)-, L(+)-, & DL-ASPARTIC ACID. /ASPARTIC ACID/
150 G ASPARTIC ACID WAS POLYMERIZED IN PRESENCE OF H3PO4 TO GIVE 150 G POLY(DEHYDROASPARTIC ACID) WHICH WAS TREATED WITH MORPHOLINE. POLYMER WAS INCORPORATED INTO AN ANIONIC SHAMPOO WITH 4% CONCN.
USP and FCC grades; 99% min grade
Exposure Standards and Regulations
L-Aspartic acid is a food additive permitted for direct addition to food for human consumption, as long as 1) the quantity of the substance added to food does not exceed the amount reasonably required to accomplish its intended physical, nutritive, or other technical effect in food, and 2) any substance intended for use in or on food is of appropriate food grade and is prepared and handled as a food ingredient.
Specification

(1)Fire Fighting Measures of D-aspartic acid?(CAS NO.1783-96-6)
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.?
Extinguishing Media: Use WATER spray, dry chemical, CARBON dioxide, or chemical foam.
(2)Handling and Storage of D-aspartic acid
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.?
Storage: Store in a cool, dry place. Store in a tightly closed container.

Octanol/Water Partition Coefficient
log Kow = -3.89
Disposal Methods
SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.
Reach Info
Globally, no enterprise has officially registered the substance REACH.
Other official information: ·ECHA Information Page for CAS: 1783-96-6 EC: 217-234-6 D-Aspartic acid ·ECHA C&L Inventory for CAS: CAS: 1783-96-6 EC: 217-234-6 D-Aspartic acid
MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Not classified.

2.2 GHS label elements, including precautionary statements

Pictogram(s) No symbol.
Signal word

No signal word.

Hazard statement(s)

none

Precautionary statement(s)
Prevention

none

Response

none

Storage

none

Disposal

none

2.3 Other hazards which do not result in classification

none

Precursor and Product
Computational chemical data
  • Molecular Weight:133.10268g/mol
  • Molecular Formula:C4H7NO4
  • XLogP3-AA:_2.8
  • Exact Mass:133.037508
  • Monoisotopic Mass:133.037508
  • Complexity:133
  • Rotatable Bond Count:3
  • Hydrogen Bond Donor Count:3
  • Hydrogen Bond Acceptor Count:5
  • Topological Polar Surface Area:101
  • Heavy Atom Count:9
  • Defined Atom Stereocenter Count:0
  • Undefined Atom Stereocenter Count:1
  • Defined Bond Stereocenter Count:0
  • Undefined Bond Stereocenter Count:0
  • Isotope Atom Count:0
  • Covalently-Bonded Unit Count:1
Recommended Suppliers
  • Tel:0086-27-59207850
  • Fax:0086-27-59524646
  • Tel:86-571-85829152
  • Fax:86-571-85829153
  • Tel:86-571-87396430
  • Fax:86-571-87396431
  • Tel:86-571-86960370
  • Fax:86-571-86940780
  • Tel:86-312-18103315327
  • Fax:86-312-18103315327
  • Tel:86-27-87465837
  • Fax:86-27-87772287
  • Tel:0086-531-58773055
  • Fax:0086-531-58773066
  • Tel:86-21-61723543
  • Fax:86-21-33250189
  • Tel:86-311-66600578
  • Fax:86-311-66600576
  • Tel:86-21-60542966
  • Fax:86-21-61916468
 
<