2,5,6-trimethyl-1,3-benzoselenazole

Modify Date: 2024-02-19 11:10:33

2,5,6-trimethyl-1,3-benzoselenazole Structure
2,5,6-trimethyl-1,3-benzoselenazole structure
Common Name 2,5,6-trimethyl-1,3-benzoselenazole
CAS Number 2946-20-5 Molecular Weight 224.16100
Density N/A Boiling Point 140-142ºC (5 mmHg)
Molecular Formula C10H11NSe Melting Point 86-90ºC
MSDS N/A Flash Point 122.9ºC

 Names

Name 2,5,6-trimethyl-1,3-benzoselenazole
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 140-142ºC (5 mmHg)
Melting Point 86-90ºC
Molecular Formula C10H11NSe
Molecular Weight 224.16100
Flash Point 122.9ºC
Exact Mass 225.00600
PSA 12.89000
LogP 2.21700
Vapour Pressure 0.00674mmHg at 25°C

 MSDS

Name: 2 5 6-Trimethylbenzoselenazole 98% Material Safety Data Sheet
Synonym:
CAS: 2946-20-5
Section 1 - Chemical Product MSDS Name:2 5 6-Trimethylbenzoselenazole 98% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
2946-20-5 2,5,6-Trimethylbenzoselenazole 98% 220-958-5
Hazard Symbols: T
Risk Phrases: 23/25 33

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Toxic by inhalation and if swallowed. Danger of cumulative effects.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
Poison by ingestion. The toxicological properties of this substance have not been fully investigated.
Inhalation:
The toxicological properties of this substance have not been fully investigated. Toxic if inhaled.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid immediately. 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 extinguishing media most appropriate for the surrounding fire.

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:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
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# 2946-20-5: 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: yellow to brown
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 140 - 142 deg C @ 5
Freezing/Melting Point: 86 - 88 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula:
Molecular Weight: 224.16

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

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 2946-20-5 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
2,5,6-Trimethylbenzoselenazole - 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: SELENIUM COMPOUND, N.O.S.
Hazard Class: 6.1
UN Number: 3283
Packing Group: III
IMO
Shipping Name: SELENIUM COMPOUND, N.O.S.
Hazard Class: 6.1
UN Number: 3283
Packing Group: III
RID/ADR
Shipping Name: SELENIUM COMPOUND, N.O.S.
Hazard Class: 6.1
UN Number: 3283
Packing group: III

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 23/25 Toxic by inhalation and if swallowed.
R 33 Danger of cumulative effects.
Safety Phrases:
S 20/21 When using do not eat, drink or smoke.
S 28A After contact with skin, wash immediately with
plenty of water.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 2946-20-5: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 2946-20-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 2946-20-5 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Hazard Codes N-T
Risk Phrases 50/53-33-23/25
Safety Phrases 61-60-45-28A-20/21
HS Code 2927000090

 Customs

HS Code 2927000090
Summary 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Synonyms

EINECS 220-958-5
2,5,6-Trimethylbenzoselenazole
MFCD00047143
2.5.6-Trimethyl-benzselenazol
benzoselenazole,2,5,6-trimethyl