Merck 822336 Thioglycolic acid for synthesis 250 mL

Category

Diğer Analitik Kimyasallar , Asitler

Brand

MERCK

Stock Code

LB.M.8223360250

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CAS NUmber: 68-11-1 EC Number: 200-677-4 Molar Mass: 92.12 g/mol Chemical Formula: HSCH₂COOH Hill Formula: C₂H₄O₂S

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CAS Number: 68-11-1

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Merck 822336 Thioglycolic acid for synthesis. CAS 68-11-1, EC Number 200-677-4, chemical formula HSCH₂COOH. 1 L
Catalogue Number	822336
Synonyms	Mercaptoacetic acid, 2-Mercaptoethanoic acid
Description	Thioglycolic acid

MERCK 822336 Thioglycolic acid for synthesis. CAS 68-11-1, EC Number 200-677-4, chemical formula HSCH₂COOH.

Product Information
CAS number	68-11-1
EC index number	607-090-00-6
EC number	200-677-4
Hill Formula	C₂H₄O₂S
Chemical formula	HSCH₂COOH
Molar Mass	92.11 g/mol
HS Code	2930 90 98
Structure formula Image

Applications
Application	Thioglycolic acid for synthesis. CAS 68-11-1, EC Number 200-677-4, chemical formula HSCH₂COOH.

Physicochemical Information
Boiling point	220 °C (1013 hPa) (decomposition)
Density	1.325 g/cm3 (20 °C)
Flash point	131.5 °C
Melting Point	-16.5 °C
pH value	1 (H₂O, 20 °C)
Vapor pressure	0.1 hPa (20 °C)

Toxicological Information
LD 50 oral	LD50 Rat 73 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H301 + H311 + H331: Toxic if swallowed, in contact with skin or if inhaled. H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)	P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word	Danger
RTECS	AI5950000
Storage class	6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK	WGK 1 slightly water endangering
Disposal	6 Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.

Safety Information
Categories of danger	toxic, corrosive
R Phrase	R 23/24/25-34 Toxic by inhalation, in contact with skin and if swallowed.Causes burns.
S Phrase	S 25-27-28-45 Avoid contact with eyes.Take off immediately all contaminated clothing.After contact with skin, wash immediately with plenty of soap and water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

Storage and Shipping Information
Storage	Store at +2 °C to +8 °C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1940 , 8, II
Declaration (transport by air) IATA-DGR	UN 1940 , 8, II
Declaration (transport by sea) IMDG-Code	UN 1940 , 8, II, Segregation Group: 1 (Acids)

Specifications
Assay (iodometric)	≥ 95.0 %
Density (d 20 °C/ 4 °C)	1.325 - 1.335
Identity (IR)	passes test
The assay stated on the certificate of analysis refers to the date of examination. A gradual substance-specific content reduction, especially at higher temperatures, must be expected. The average content reduction at the required storage temperature of +2°c to +8°C is about 1% per month.

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