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.)
Boiling point: 105-107 °C1 mm Hg(lit.)
alpha  D25 +68.5 ± 1.3° (c = 1.49 in CH3OH)
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)
color  White
Specific Gravity 1.344
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) 
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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