3-Mercaptopropionic acid

ALDRICH/M5801 - ≥99%

Synonym: 3-sulfanylpropanoic acid

CAS Number: 107-96-0
Empirical Formula (Hill Notation): C₃H₆O₂S
Molecular Weight: 106.14
EC Number: 203-537-0
MDL Number: MFCD00004897
Linear Formula: HSCH₂CH₂CO₂H
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-M5801-5G	5 g	$52.20 1/EA		Add To Favorites
45-M5801-100G	100 g	$54.80 1/EA		Add To Favorites
45-M5801-500G	500 g	$106.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	≥99%
autoignition temp.	662 °F
bp	110-111 °C/15 mmHg (lit.)
density	1.218 g/mL at 25 °C (lit.)
form	liquid
InChI	1S/C3H6O2S/c4-3(5)1-2-6/h6H,1-2H2,(H,4,5)
InChI key	DKIDEFUBRARXTE-UHFFFAOYSA-N
mp	15-18 °C (lit.)
refractive index	n20/D 1.492 (lit.)
SMILES string	OC(=O)CCS
vapor pressure	0.04 mmHg ( 20 °C)

Application:	3-MPA is used to produce hydrophilic SAMs, which are terminated with carboxylic acids and can be further functionalized to introduce more complex end groups such as enzymes for biosensor applications. SAMs of 3-MPA are capped on ZnSe quantum dots for the electrochemical detection of dopamine. 3-MPA is used as a capping agent on CdTe quantum dot nanocrystals (QD NCs) for use as labeling materials in biomedical applications. It can also be used to modify the surface of iron oxide nanoparticles (Fe₂O₃) in the extraction and preconcentration of Al³⁺ and Cr³⁺ ions from different biological samples.
General description:	3-Mercaptopropionic acid (3-MPA) is used as a self-assembled monolayer (SAM) with a thiol and carboxylic groups. It has short carbon chains and is mainly used as a capping agent on a variety of nanoparticles.
Packaging:	5, 100, 500 g in glass bottle

Symbol	GHS05,GHS06
Signal word	Danger
Hazard statements	H290 - H301 - H314 - H332
Precautionary statements	P234 - P261 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
Hazard Codes	T
Risk Statements	25-34
Safety Statements	7-26-36/37/39-45
RIDADR	UN 2922 6.1(8) / PGII
WGK Germany	WGK 1
Flash Point(F)	200.1 °F - closed cup
Flash Point(C)	93.4 °C - closed cup

Purity	≥99%
bp	110-111 °C/15 mmHg (lit.)
mp	15-18 °C (lit.)
Density	1.218 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.492 (lit.)
UNSPSC	12352103

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