Home Categories Analytical Chemistry Mosher’s acid
A5390912

Mosher’s acid , 99% , 20445-31-2

Synonym(s):
(+)-MTPA;Mosher’s acid

CAS NO.:20445-31-2

Empirical Formula: C10H9F3O3

Molecular Weight: 234.17

MDL number: MFCD00004184

EINECS: 243-829-5

Pack Size Price Stock Quantity
250MG RMB333.60 In Stock
1G RMB697.60 In Stock
5g RMB2790.40 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 46-49 °C(lit.)
alpha  D25 +68.5 ± 1.3° (c = 1.49 in CH3OH)
Boiling point: 105-107 °C1 mm Hg(lit.)
Density  1.344 g/mL at 25 °C(lit.)
refractive index  n20/D 1.473(lit.)
Flash point: >230 °F
storage temp.  2-8°C
solubility  Soluble in methanol (50 mg/ 1 ml).
form  Crystalline Low Melting Solid
pka 1.47±0.10(Predicted)
Specific Gravity 1.344
color  White
optical activity [α]20/D +73±1°, c = 2% in methanol
Sensitive  Hygroscopic
Merck  14,6280
BRN  2215440
InChI 1S/C10H9F3O3/c1-16-9(8(14)15,10(11,12)13)7-5-3-2-4-6-7/h2-6H,1H3,(H,14,15)/t9-/m1/s1
InChIKey JJYKJUXBWFATTE-SECBINFHSA-N
SMILES CO[C@@](C(O)=O)(c1ccccc1)C(F)(F)F
CAS DataBase Reference 20445-31-2(CAS DataBase Reference)

Description and Uses

(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid is widely used reagent for determination of optical purities of alcohols and amines by 1H or 19F NMR.

Safety

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
3-10
Hazard Note  Irritant/Keep Cold
HazardClass  IRRITANT, HYGROSCOPIC, KEEP COLD
HS Code  29189900
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

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