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thioglycolic acid

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Origin: China

Cas No: 68-11-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details

CAS No.:: 68-11-1

Other Names:: Mercaptoacetic acid

MF:: C2H4O2S

EINECS No.:: 200-677-4

Place of Origin:: Henan, China

Type:: Pharmaceutical Intermediates

Purity:: 99

Brand Name:: HNDD

Model Number:: 68-11-1

Application:: Pharm Intermediates

Appearance:: Colorless liquid

Certification:: ISO9001

Test Method:: HPLC

Delivery:: 2days

Grade Standard:: Phamaceutical Grade

Stability:: Stable

Density:: 1.326 g/mL at 20 °C(lit.)

FP::: 126 °C

Packaging&Delivery

Packaging Details: plastic Drum/according to customer's requirements

Port: Shanghai Shenzhen Qingdao

Lead Time:

Quantity(Kilograms)	1 - 1	2 - 100	101 - 1000	>1000
Est. Time(days)	3	3	5	To be negotiated

Products Description

item	value
CAS No.	68-11-1
Other Names	Mercaptoacetic acid
MF	C2H4O2S
EINECS No.	200-677-4
Place of Origin	China
	Henan
Type	Pharmaceutical Intermediates
Purity	99
Brand Name	HNDD
Model Number	68-11-1
Application	Pharm Intermediates
Appearance	Colorless liquid
Certification	ISO9001
Test Method	HPLC
Delivery	2days
Grade Standard	Phamaceutical Grade
Stability	Stable
Density	1.326 g/mL at 20 °C(lit.)
FP:	126 °C

Property

CAS No.: 68-11-1 Formula: C2H4O2S Molecular Weight: 92.11700

Description

Thioglycolic acid (TGA) is the organic compound HSCH2CO2H. TGA is often called mercaptoacetic acid (MAA). It contains both a thiol (mercaptan) and carboxylic acid functional groups. It is a colorless liquid with a strongly unpleasant odor. TGA is miscible with polar organic solvents.

Basic Info

Chemical Name	thioglycolic acid
Synonyms	TGA; Thiovanic acid; 2-mercapto acetic acid; usafcb-35; Thioglycolate; Thiovanie acid; MEQUINDOX; thioglycolic; Mercaptoacetic acid; Acetic acid, mercapto-; Thioglycolic acid; mercaptoacetic; 2-mercaptoethanoic acid;
CAS No.	68-11-1
Molecular Formula	C2H4O2S
Molecular Weight	92.11700
PSA	76.10000
LogP	0.00080

Properties

Appearance & Physical State	Clear liquid
Density	1.325
Boiling Point	96ºC (5 mmHg)
Melting Point	-16ºC
Flash Point	126ºC
Refractive Index	1.503-1.505
Water Solubility	soluble
Stability	Stable at room temperature in closed containers under normal storage and handling conditions. Oxidizes when exposed to air.
Storage Condition	2-8ºC
Vapor Density	3.2 (vs air)
Vapor Pressure	0.4 mm Hg ( 25 °C)

Safety Info

RTECS	AI5950000
Hazard Class	8
Safety Statements	S23-S25-S27-S28-S36/37-S45
HS Code	2930909090
WGK Germany	1
Packing Group	II
RIDADR	UN 1940/2436
Risk Statements	R24/25; R26; R34
Hazard Codes	T+
Hazard Declaration	H301 + H311 + H331; H314
Caution Statement	P280; P301 + P310 + P330; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338; P403 + P233
Symbol	GHS05, GHS06
Signal Word	Danger

Synthesis Route

dichloroacetic acid→thiodiacetic acid+Dithiodiglycolic acid
hydrogen chloride+CARBOXYMETHANESULFINYL-ACETIC ACID→ethyl glyoxylate+thioglycolic acid
2-(N-Phenyl-N-methyl-thiocarbamoylthio)acetic Acid→4-(4-Methylphenyl)-3-thiosemicarbazide+thioglycolic acid

Precursor

Bromoacetic Acid
Dithiodiglycolic acid
chloroacetic acid
2-(N-Phenyl-N-methyl-thiocarbamoylthio)acetic Acid

Downstream Product

2,2-diphenyl-1,3-thiazolidin-4-one
2-(3-nitrophenyl)-3-(4-oxo-2-phenylquinazolin-3-yl)-1,3-thiazolidin-4-one
3-(4-methoxyphenyl)-2-phenyl-1,3-thiazolidin-4-one
2-(4-hydroxyphenyl)-3-(4-oxo-2-phenylquinazolin-3-yl)-1,3-thiazolidin-4-one

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