4-hydrazino-5-methylthieno[2,3-d]pyrimidine

Modify Date: 2024-01-02 19:48:41

4-hydrazino-5-methylthieno[2,3-d]pyrimidine Structure
4-hydrazino-5-methylthieno[2,3-d]pyrimidine structure
Common Name 4-hydrazino-5-methylthieno[2,3-d]pyrimidine
CAS Number 19786-56-2 Molecular Weight 180.23000
Density 1.472g/cm3 Boiling Point 412ºC at 760mmHg
Molecular Formula C7H8N4S Melting Point 182ºC
MSDS N/A Flash Point 203ºC

 Names

Name (5-methylthieno[2,3-d]pyrimidin-4-yl)hydrazine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.472g/cm3
Boiling Point 412ºC at 760mmHg
Melting Point 182ºC
Molecular Formula C7H8N4S
Molecular Weight 180.23000
Flash Point 203ºC
Exact Mass 180.04700
PSA 92.07000
LogP 2.05860
Vapour Pressure 5.34E-07mmHg at 25°C
Index of Refraction 1.793

 MSDS

Name: 4-Hydrazino-5-methylthieno[2 3-d]pyrimidine 97% Material Safety Data Sheet
Synonym:
CAS: 19786-56-2
Section 1 - Chemical Product MSDS Name:4-Hydrazino-5-methylthieno[2 3-d]pyrimidine 97% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
19786-56-2 4-Hydrazino-5-methylthieno[2,3-d]pyrim 97% unlisted
Hazard Symbols: XN
Risk Phrases: 20/21/22

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Harmful by inhalation, in contact with skin and if swallowed.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. Harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. May cause irritation of the digestive tract.
Inhalation:
Harmful if inhaled. May cause respiratory tract irritation.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container.

Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 19786-56-2: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: slight pink
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 176 - 178 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C7H8N4S
Molecular Weight: 180

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents, acid chlorides.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 19786-56-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
4-Hydrazino-5-methylthieno[2,3-d]pyrimidine - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION


Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.*
Hazard Class: 6.1
UN Number: 2811
Packing Group: III
IMO
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing Group: III
RID/ADR
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing group: III

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 20/21/22 Harmful by inhalation, in contact with
skin and if swallowed.
Safety Phrases:
S 36/37 Wear suitable protective clothing and
gloves.
WGK (Water Danger/Protection)
CAS# 19786-56-2: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 19786-56-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 19786-56-2 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Risk Phrases 36/37/38
Safety Phrases 26-36/37/39
HS Code 2934999090

 Synthetic Route

~%

4-hydrazino-5-methylthieno[2,3-d]pyrimidine Structure

4-hydrazino-5-m...

CAS#:19786-56-2

Literature: Robba,M. et al. Comptes Rendus des Seances de l'Academie des Sciences, Serie C: Sciences Chimiques, 1968 , vol. 266, p. 1706 - 1708

~%

4-hydrazino-5-methylthieno[2,3-d]pyrimidine Structure

4-hydrazino-5-m...

CAS#:19786-56-2

Literature: Robba,M. et al. Comptes Rendus des Seances de l'Academie des Sciences, Serie C: Sciences Chimiques, 1968 , vol. 266, p. 1706 - 1708

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5-Methyl-4-hydrazino-thieno<2,3-d>pyrimidin
4-hydrazino-5-methyl-thieno[2,3-d]pyrimidine
4-Hydrazinyl-5-Methyl-Thieno[2,3-d]Pyrimidine