2-Mercapto-4-methyl-5-thiazoleacetic acid

Modify Date: 2024-01-02 21:56:31

2-Mercapto-4-methyl-5-thiazoleacetic acid Structure
2-Mercapto-4-methyl-5-thiazoleacetic acid structure
Common Name 2-Mercapto-4-methyl-5-thiazoleacetic acid
CAS Number 34272-64-5 Molecular Weight 189.255
Density 1.5±0.1 g/cm3 Boiling Point 375.6±34.0 °C at 760 mmHg
Molecular Formula C6H7NO2S2 Melting Point 207 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 181.0±25.7 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 2-Mercapto-4-methyl-5-thiazoleacetic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 375.6±34.0 °C at 760 mmHg
Melting Point 207 °C (dec.)(lit.)
Molecular Formula C6H7NO2S2
Molecular Weight 189.255
Flash Point 181.0±25.7 °C
Exact Mass 188.991821
PSA 117.23000
LogP 1.41
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.650

 MSDS

(2-Mercapto-4-methyl-5-thiazolyl)acetic Acid Revision number: 5.3
SAFETY DATA SHEET

Section1. IDENTIFICATION
Product name:(2-Mercapto-4-methyl-5-thiazolyl)acetic Acid

Revision number:5.3

Section2. HAZARDS IDENTIFICATION
GHS classification
PHYSICAL HAZARDSNot classified
HEALTH HAZARDS
Skin corrosion/irritationCategory 2
Category 2A
Serious eye damage/eye irritation
ENVIRONMENTAL HAZARDSNot classified
GHS label elements, including precautionary statements
Pictograms or hazard symbols
Signal wordWarning
Hazard statementsCauses skin irritation
Causes serious eye irritation
Precautionary statements:
Wash hands thoroughly after handling.
[Prevention]
Wear protective gloves/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
[Response]
if present and easy to do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.
IF ON SKIN: Gently wash with plenty of soap and water.
If skin irritation occurs: Get medical advice/attention.
Take off contaminated clothing and wash before reuse.

Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance/mixture:Substance
Components:(2-Mercapto-4-methyl-5-thiazolyl)acetic Acid
Percent:>98.0%(GC)(T)
CAS Number:34272-64-5
Synonyms:5-(Carboxymethyl)-2-mercapto-4-methylthiazole
C6H7NO2S2
Chemical Formula:

Section4. FIRST AID MEASURES
Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Get medical advice/attention if you feel unwell.

Section4. FIRST AID MEASURES
Skin contact:Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
soap and water. If skin irritation or rash occurs: Get medical advice/attention.
Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present
and easy to do. Continue rinsing. If eye irritation persists: Get medical
advice/attention.
Ingestion:Get medical advice/attention if you feel unwell. Rinse mouth.
A rescuer should wear personal protective equipment, such as rubber gloves and air-
Protection of first-aiders:
tight goggles.

Section5. FIRE-FIGHTING MEASURES
Suitable extinguishingDry chemical, foam, water spray, carbon dioxide.
media:
Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to
from the chemical:generate poisonous fume.
Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
method according to the surrounding situation is used. Uninvolved persons should
evacuate to a safe place. In case of fire in the surroundings: Remove movable
containers if safe to do so.
Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:

Section6. ACCIDENTAL RELEASE MEASURES
Personal precautions,Use personal protective equipment. Keep people away from and upwind of spill/leak.
protective equipment and Entry to non-involved personnel should be controlled around the leakage area by
emergency procedures: roping off, etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it.
containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with
up: appropriate laws and regulations.

Section7. HANDLING AND STORAGE
Precautions for safe handling
Technical measures:Handling is performed in a well ventilated place. Wear suitable protective equipment.
Prevent dispersion of dust. Wash hands and face thoroughly after handling.
Use a local exhaust if dust or aerosol will be generated.
Advice on safe handling: Avoid contact with skin, eyes and clothing.
Conditions for safe storage, including any
incompatibilities
Storage conditions:Keep container tightly closed. Store in a cool and dark place.
Store away from incompatible materials such as oxidizing agents.
Packaging material:Comply with laws.

Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Engineering controls:Install a closed system or local exhaust as possible so that workers should not be
exposed directly. Also install safety shower and eye bath.
Personal protective equipment
Respiratory protection: Dust respirator. Follow local and national regulations.
Hand protection:Protective gloves.
Safety glasses. A face-shield, if the situation requires.
Eye protection:
Skin and body protection: Protective clothing. Protective boots, if the situation requires.

Section9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state (20°C):Solid
Crystal- Powder
Form:
Colour:White - Slightly pale yellow
No data available
Odour:

Section9. PHYSICAL AND CHEMICAL PROPERTIES
pH: No data available
Melting point/freezing point:211°C (dec.)
Boiling point/range:No data available
Flash point:No data available
Flammability or explosive
limits:
Lower:No data available
Upper:No data available
Relative density:No data available
Solubility(ies):
[Water]No data available
[Other solvents]No data available

Section10. STABILITY AND REACTIVITY
Chemical stability:Stable under proper conditions.
Possibility of hazardous No special reactivity has been reported.
reactions:
Incompatible materials: Oxidizing agents
Hazardous decomposition Carbon monoxide, Carbon dioxide, Nitrogen oxides (NOx), Sulfur oxides
products:

Section11. TOXICOLOGICAL INFORMATION
Acute Toxicity:ivn-mus LD50:1680 mg/kg
Skin corrosion/irritation: No data available
Serious eyeNo data available
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
No data available
IARC =
NTP =No data available
Reproductive toxicity:No data available
RTECS Number:XJ1921000

Section12. ECOLOGICAL INFORMATION
Ecotoxicity:
Fish:No data available
Crustacea:No data available
No data available
Algae:
Persistence / degradability: No data available
No data available
Bioaccumulative
potential(BCF):
Mobility in soil
Log Pow:No data available
Soil adsorption (Koc):No data available
Henry's LawNo data available
constant(PaM3/mol):

Section13. DISPOSAL CONSIDERATIONS
Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system.
Observe all federal, state and local regulations when disposing of the substance.

Section14. TRANSPORT INFORMATION
Hazards Class:Does not correspond to the classification standard of the United Nations
UN-No:Not listed

Section15. REGULATORY INFORMATION
Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
loading and unloading were prescribed.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XJ1921000
CHEMICAL NAME :
5-Thiazoleacetic acid, 2-mercapto-4-methyl-
CAS REGISTRY NUMBER :
34272-64-5
LAST UPDATED :
198306
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C6-H7-O2-S2
MOLECULAR WEIGHT :
175.25
WISWESSER LINE NOTATION :
T5N CSJ BSH D1VQ E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1680 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 26,497,1971

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR UN 3335
WGK Germany 3
RTECS XJ1921000
HS Code 2934100090

 Precursor & DownStream

Precursor  1

DownStream  0

 Customs

HS Code 2934100090
Summary 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

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 Synonyms

(4-Methyl-2-thioxo-2,3-dihydro-1,3-thiazol-5-yl)acetic acid
2-MERCAPTO-4-METHYLTHIAZOLE-5-ACETIC ACID
5-Thiazoleacetic acid, 2,3-dihydro-4-methyl-2-thioxo-
5-carboxymethyl-4-methylthiazole-2-thiol
(2-Mercapto-4-methyl-5-thiazolyl)acetic Acid
5-(Carboxymethyl)-2-mercapto-4-methylthiazole
MMTA
2-mercapto-4-methyl-5-thiazoleaceticaci
5-carboxymethyl-2-mercapto-4-methylthiazole
2-Mercapto-4-methyl
4-Methyl-2-mercaptothiazole-5-acetic acid
2-Mercapto-4-Methyl-5-Thiazole
2-mercapto-4-methyl-1,3-thiazol-5-ylacetic acid
2-mercapto-4-methylthiazole-5-yl acetic acid
EINECS 251-905-4
MFCD01750430
2-Mercapto-4-methylthizaol-5-yl)acetic acid
5-carboxymethyl-2-mercapto-4-methyl-1,3-thiazole
(2-mercapto-4-methyl-1,3-thiazol-5-yl)acetic acid
2-MERCAPTO-4-METHYL-5-THIAZOLEACETIC ACID
2-mercapto-4-methyl-5-Thiazole acetic acid(MMTA)
2-Mercapto-4-Methylthiazol
Cefodizime Impurity 3
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