Chemical Safety Data Sheet MSDS / SDS

2-ACETAMIDOTHIAZOLE

Revision Date:2026-03-21Revision Number:1

SECTION 1: Identification of the substance/mixture and of the company/undertaking

Product identifier

  • Product name: 2-ACETAMIDOTHIAZOLE
  • CBnumber: CB7408708
  • CAS: 2719-23-5
  • EINECS Number: 220-321-1
  • Synonyms: N-(THIAZOL-2-YL)ACETAMIDE

Relevant identified uses of the substance or mixture and uses advised against

  • Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
  • Uses advised against: none

Company Identification

  • Company: Chemicalbook
  • Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
  • Telephone: 010-86108875

SECTION 2: Hazards identification

GHS Label elements, including precautionary statements

  • Symbol(GHS)
  • Signal wordWarning
Precautionary statements
P501 Dispose of contents/container to..…
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P403 Store in a well-ventilated place.
P362 Take off contaminated clothing and wash before reuse.
P340 Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P321 Specific treatment (see … on this label).
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P304 IF INHALED:
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P271 Use only outdoors or in a well-ventilated area.
P264 Wash skin thouroughly after handling.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P233 Keep container tightly closed.
Hazard statements
H335 May cause respiratory irritation
H319 Causes serious eye irritation
H315 Causes skin irritation

SECTION 3: Composition/information on ingredients

Substance

  • Product name: 2-ACETAMIDOTHIAZOLE
  • Synonyms: N-(THIAZOL-2-YL)ACETAMIDE
  • CAS: 2719-23-5
  • EC number: 220-321-1
  • MF: C5H6N2OS
  • MW: 142.18

SECTION 4: First aid measures

Eye Contact

Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes.

Skin Contact

Wash off immediately with soap and plenty of water while removing all contaminated clothes and shoes.

Inhalation

Remove from exposure, lie down. Remove to fresh air.

Ingestion

Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Drink plenty of water. If possible drink milk afterwards.

Most important symptoms and effects

No information available.

Self-Protection of the First Aider

No special precautions required.

Notes to Physician

Treat symptomatically.

SECTION 5: Firefighting measures

Suitable Extinguishing Media

Water spray. Carbon dioxide (CO2). Dry chemical. Alcohol resistant foam.

Extinguishing media which must not be used for safety reasons

No information available.

Specific Hazards Arising from the Chemical

Thermal decomposition can lead to release of irritating gases and vapors.

Protective Equipment and Precautions for Firefighters

As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear. Thermal decomposition can lead to release of irritating gases and vapors.

NFPA 704

0
1
0
HEALTH 0 Poses no health hazard, no precautions necessary and would offer no hazard beyond that of ordinary combustible materials
FIRE 1 Materials that require considerable preheating, under all ambient temperature conditions, before ignition and combustion can occur. Includes some finely divided suspended solids that do not require heating before ignition can occur. Flash point at or above 93.3 °C (200 °F). (e.g. mineral oil, ammonia)
REACT 0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)
SPEC. HAZ.

SECTION 6: Accidental release measures

Personal Precautions

Ensure adequate ventilation.

Environmental Precautions

See Section 12 for additional Ecological Information.

Methods for Containment and Clean Up

Sweep up and shovel into suitable containers for disposal.
Refer to protective measures listed in Sections 8 and 13.

SECTION 7: Handling and storage

Handling

Avoid contact with skin and eyes. Avoid contact with skin and clothing. Remove and wash contaminated clothing and gloves, including the inside, before re-use. Avoid breathing vapors or mists. Do not ingest. If swallowed then seek immediate medical assistance. Wash thoroughly after handling.

Storage

Keep in a dry, cool and well-ventilated place. Keep container tightly closed.

Specific Use(s)

Use in laboratories

SECTION 8: Exposure controls/personal protection

Control Parameters

Exposure Controls

Engineering Measures

None under normal use conditions. .

Personal protective equipment

Eye Protection
Wear safety glasses with side shields (or goggles) (European standard - EN 166)
Hand Protection
Protective gloves
Glove materialBreakthrough timeGlove thicknessEU standardGlove comments
Nitrile rubberSee manufacturers-EN 374(minimum requirement)
Neoprenerecommendations
Natural rubber
PVC

Inspect gloves before use.
Please observe the instructions regarding permeability and breakthrough time which are provided by the supplier of the gloves.
(Refer to manufacturer/supplier for information)
Ensure gloves are suitable for the task: Chemical compatability, Dexterity, Operational conditions, User susceptibility, e.g.
sensitisation effects, also take into consideration the specific local conditions under which the product is used, such as the danger of cuts, abrasion.
Remove gloves with care avoiding skin contamination.
Skin and body protection
Long sleeved clothing
Respiratory Protection
No protective equipment is needed under normal use conditions.
Large scale/emergency use
Use a NIOSH/MSHA or European Standard EN 136 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced
Recommended Filter type: Particle filter
Small scale/Laboratory use
Maintain adequate ventilation
Recommended half mask:- Valve filtering: EN405; or; Half mask: EN140; plus filter, EN 141

Hygiene Measures

Handle in accordance with good industrial hygiene and safety practice.

Environmental exposure controls

No information available.

SECTION 9: Physical and chemical properties

Information on basic physicochemical properties

  • ColourWhite to Orange to Green
  • pHNo information available
  • Melting Point/Range204 - 208 °C / 399.2 - 406.4 °F
  • Softening PointNo data available
  • Boiling Point/RangeNo information available
  • Flash PointNo information available
    Method - No information available
  • Evaporation RateNo data available
  • Flammability (solid,gas)Not applicable Liquid
  • Explosion LimitsNo data available
  • Vapor PressureNo information available
  • Vapor DensityNo information available (Air = 1.0)
  • Specific Gravity / Density1.291 (estimate)
  • Bulk DensityNot applicable Liquid
  • Water SolubilityNo information available
  • Solubility in other solventsNo information available
  • Partition Coefficient (n-octanol/water)No data available
  • Autoignition TemperatureNo data available
  • Decomposition TemperatureNo data available
  • ViscosityNo data available
  • Explosive PropertiesNo information available
  • Oxidizing PropertiesNo information available
  • Molecular Weight142.18
  • Molecular FormulaC5 H6 N2 O S
  • Odor ThresholdNo data available
  • OdorNo information available
  • Physical StateLiquid
  • AppearanceLight brown

SECTION 10: Stability and reactivity

Stability

Stable under normal conditions.

Hazardous Reactions

No information available.

Hazardous Polymerization

No information available.

Conditions to Avoid

None known.

Materials to avoid

Oxidizing agent.

Hazardous Decomposition Products

Thermal decomposition can lead to release of irritating gases and vapors.

SECTION 11: Toxicological information

Product Information

No acute toxicity information is available for this product

(a) acute toxicity;

(b) skin corrosion/irritation;

No data available

(c) serious eye damage/irritation;

No data available

(d) respiratory or skin sensitization;

Respiratory

No data available

Skin

No data available

(e) germ cell mutagenicity;

No data available

(f) carcinogenicity;

No data available
There are no known carcinogenic chemicals in this product

(g) reproductive toxicity;

No data available

(h) STOT-single exposure;

No data available

(i) STOT-repeated exposure;

No data available

Target Organs

No information available.

(j) aspiration hazard;

No data available

Symptoms / effects,both acute and delayed

No information available

SECTION 12: Ecological information

Ecotoxicity effects

Contains no substances known to be hazardous to the environment or that are not degradable in waste water treatment plants.

Persistence and Degradability

No information available

Bioaccumulative Potential

No information available

Mobility in soil

No information available

Endocrine Disruptor Information

This product does not contain any known or suspected endocrine disruptors

Persistent Organic Pollutant

This product does not contain any known or suspected substance

Ozone Depletion Potential

This product does not contain any known or suspected substance

SECTION 13: Disposal considerations

Waste from Residues/Unused Products

Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. Consult local, regional, and national hazardous waste regulations to ensure complete and accurate classification.

Contaminated Packaging

Empty remaining contents. Dispose of in accordance with local regulations. Do not re-use empty containers.

Other Information

Waste codes should be assigned by the user based on the application for which the product

SECTION 14: Transport information

Road and Rail Transport

Not Regulated

IMDG/IMO

Not regulated

IATA

Not regulated

Special Precautions for User

No special precautions required

SECTION 15: Regulatory information

International Inventories

X = listed, China (IECSC), Europe (EINECS/ELINCS/NLP), U.S.A. (TSCA), Canada (DSL/NDSL), Philippines (PICCS), Japan (ENCS), Japan (ISHL), Australia (AICS), Korea (KECL).
ComponentThe
Inventory of
Hazardous
Chemicals (2015
Edition)
List of dangerous goods GB 12268 - 2012TCSIIECSCEINECSTSCADSLPICCSENCSISHLAICSKECL
Acetamide,
N-2-thiazolyl-
--X-220-321-1X--XX--

National Regulations

SECTION 16: Other information

Prepared By

Health, Safety and Environmental Department

Revision Date

16-Sep-2025

Revision Summary

Not applicable.

Training Advice

Chemical hazard awareness training, incorporating labelling, Safety Data Sheets (SDS), Personal Protective Equipment (PPE) and hygiene.

Legend

CAS
Chemical Abstracts Service
TSCA
United States Toxic Substances Control Act Section 8(b)
Inventory
EINECS/ELINCS
European Inventory of Existing Commercial Chemical
Substances/EU List of Notified Chemical Substances
DSL/NDSL
Canadian Domestic Substances List/Non-Domestic
Substances List
PICCS
Philippines Inventory of Chemicals and Chemical Substances
ENCS
Japanese Existing and New Chemical Substances
IECSC
Chinese Inventory of Existing Chemical Substances
AICS
Australian Inventory of Chemical Substances
KECL
Korean Existing and Evaluated Chemical Substances
NZIoC
New Zealand Inventory of Chemicals
WEL
Workplace Exposure Limit
TWA
Time Weighted Average
ACGIH
American Conference of Governmental Industrial Hygienists
IARC
International Agency for Research on Cancer
DNEL
Derived No Effect Level
PNEC
Predicted No Effect Concentration
RPE
Respiratory Protective Equipment
LD50
Lethal Dose 50%
LC50
Lethal Concentration 50%
EC50
Effective Concentration 50%
NOEC
No Observed Effect Concentration
POW
Partition coefficient Octanol:Water
PBT
Persistent, Bioaccumulative, Toxic
vPvB
very Persistent, very Bioaccumulative
ICAO/IATA
International Civil Aviation Organization/International Air
Transport Association
IMO/IMDG
International Maritime Organization/International Maritime
Dangerous Goods Code
ADR
European Agreement Concerning the International Carriage of
Dangerous Goods by Road
MARPOL
International Convention for the Prevention of Pollution from
Ships
OECD
Organisation for Economic Co-operation and Development
ATE
Acute Toxicity Estimate
BCF
Bioconcentration factor
VOC
(Volatile Organic Compound)

Key literature references and sources for data

https://echa.europa.eu/information-on-chemicals
Suppliers safety data sheet, Chemadvisor - LOLI, Merck index, RTECS

Disclaimer

The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text
Disclaimer:

The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.

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