dipyrrolylmethane

Modify Date: 2024-01-06 16:34:25

dipyrrolylmethane Structure
dipyrrolylmethane structure
 Common Name dipyrrolylmethane
CAS Number 21211-65-4 Molecular Weight 146.189
Density 1.2±0.1 g/cm3 Boiling Point 317.8±22.0 °C at 760 mmHg
Molecular Formula C9H10N2 Melting Point 72.0 to 77.0 °C
MSDS N/A Flash Point 142.3±13.6 °C

 Names

Name dipyrromethane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 317.8±22.0 °C at 760 mmHg
Melting Point 72.0 to 77.0 °C
Molecular Formula C9H10N2
Molecular Weight 146.189
Flash Point 142.3±13.6 °C
Exact Mass 146.084396
PSA 31.58000
LogP 1.27
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.626

 MSDS

2,2'-Dipyrrolylmethane Revision number: 6
SAFETY DATA SHEET
Section1. IDENTIFICATION
Product name:2,2'-Dipyrrolylmethane

Revision number:6
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:2,2'-Dipyrrolylmethane
Percent:>97.0%(GC)
CAS Number:21211-65-4
Chemical Formula:C9H10N2
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.
2,2'-Dipyrrolylmethane
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 refrigerator.
Store under inert gas.
Store away from incompatible materials such as oxidizing agents.
Heat-sensitive, Light-sensitive, Air-sensitive
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:
2,2'-Dipyrrolylmethane
Section9. PHYSICAL AND CHEMICAL PROPERTIES
Colour:White - Pale yellow
Odour:No data available
pH: No data available
Melting point/freezing point:74°C
Boiling point/range:120°C/0.3kPa
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]
Soluble:Methanol
Log Pow:1.77
Section10. STABILITY AND REACTIVITY
Stable under proper conditions.
Chemical stability:
Possibility of hazardous No special reactivity has been reported.
reactions:
Incompatible materials: Oxidizing agents, Strong acids
Hazardous decomposition Carbon monoxide, Carbon dioxide, Nitrogen oxides (NOx)
products:
Section11. TOXICOLOGICAL INFORMATION
Acute Toxicity:No data available
Skin corrosion/irritation: No data available
Serious eyeNo data available
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
IARC =No data available
NTP =No data available
Reproductive toxicity:No data available
Section12. ECOLOGICAL INFORMATION
Ecotoxicity:
Fish:No data available
No data available
Crustacea:
Algae:No data available
Persistence / degradability: No data available
BioaccumulativeNo data available
potential(BCF):
Mobility in soil
1.77
Log Pow:
Soil adsorption (Koc):No data available
No data available
Henry's Law
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.
2,2'-Dipyrrolylmethane
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

 Safety Information

Hazard Codes Xi
HS Code 2933990090

 Synthetic Route

Pyrrole structure

Pyrrole

CAS#:109-97-7

Formaldehyde structure

Formaldehyde

CAS#:50-00-0

~93%

dipyrrolylmethane Structure

dipyrrolylmethane

CAS#:21211-65-4

Literature: Garcia, Guillaume; Naud-Martin, Delphine; Carrez, Daniele; Croisy, Alain; Maillard, Philippe Tetrahedron, 2011 , vol. 67, # 26 p. 4924 - 4932
Methanone,di-1H-pyrrol-2-yl- structure

Methanone,di-1H...

CAS#:15770-21-5

~83%

dipyrrolylmethane Structure

dipyrrolylmethane

CAS#:21211-65-4

Literature: Shi; Wheelhouse; Sun; Hurley Journal of Medicinal Chemistry, 2001 , vol. 44, # 26 p. 4509 - 4523
di(1H-pyrrol-2-yl)methanethione structure

di(1H-pyrrol-2-...

CAS#:21401-55-8

~%

dipyrrolylmethane Structure

dipyrrolylmethane

CAS#:21211-65-4

Literature: Tetrahedron, , vol. 58, # 12 p. 2405 - 2413
2H-1,3-Oxazine,tetrahydro- structure

2H-1,3-Oxazine,...

CAS#:14558-49-7

Pyrrole structure

Pyrrole

CAS#:109-97-7

~62%

dipyrrolylmethane Structure

dipyrrolylmethane

CAS#:21211-65-4

Literature: Singh, Kamaljit; Behal, Sonia; Hundal, Maninder Singh Tetrahedron, 2005 , vol. 61, # 27 p. 6614 - 6622
Pyrrole structure

Pyrrole

CAS#:109-97-7

Formaldehyde structure

Formaldehyde

CAS#:50-00-0

~63%

dipyrrolylmethane Structure

dipyrrolylmethane

CAS#:21211-65-4

2,5-bis(1H-pyrrol-2-ylmethyl)-1H-pyrrole structure

2,5-bis(1H-pyrr...

CAS#:220210-66-2

Literature: Tetrahedron Letters, , vol. 41, # 23 p. 4609 - 4613
2H-1,3-Oxazine,tetrahydro- structure

2H-1,3-Oxazine,...

CAS#:14558-49-7

1-Methylpyrrole structure

1-Methylpyrrole

CAS#:96-54-8

Pyrrole structure

Pyrrole

CAS#:109-97-7

~20%

dipyrrolylmethane Structure

dipyrrolylmethane

CAS#:21211-65-4

Detail
Literature: Tetrahedron, , vol. 61, # 27 p. 6614 - 6622
Dichloromethane structure

Dichloromethane

CAS#:75-09-2

1H-Pyrrole, potassiumsalt (1:1) structure

1H-Pyrrole, pot...

CAS#:16199-06-7

~%

dipyrrolylmethane Structure

dipyrrolylmethane

CAS#:21211-65-4

Literature: Chemische Berichte, , vol. 40, p. 1170
Pyrrole structure

Pyrrole

CAS#:109-97-7

~%

dipyrrolylmethane Structure

dipyrrolylmethane

CAS#:21211-65-4

Literature: Tetrahedron Letters, , vol. 30, # 50 p. 6989 - 6992
N/A structure

N/A

CAS#:943225-75-0

~%

dipyrrolylmethane Structure

dipyrrolylmethane

CAS#:21211-65-4

Literature: Thamyongkit, Patchanita; Bhise, Anil D.; Taniguchi, Masahiko; Lindsey, Jonathan S. Journal of Organic Chemistry, 2006 , vol. 71, # 3 p. 903 - 910

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

2,2'-DIMETHOXYBENZOPHENONE
dipirromethane
2,2'-Methylenebis(1H-pyrrole)
pyrromethane
2,2'-dipyrrolylmethane
dipyrrylmethane
2,2'-Dipyrromethane
dipyrrolylmethane
1H-Pyrrole, 2,2'-methylenebis-
2-pyrrolylmethylpyrrole
Di-2-pyrrolylmethane
2-(1H-pyrrol-2-ylmethyl)-1H-pyrrole
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