3,4-(Methylenedioxy)phenyl isocyanate

Modify Date: 2024-01-10 10:02:23

3,4-(Methylenedioxy)phenyl isocyanate Structure
3,4-(Methylenedioxy)phenyl isocyanate structure
Common Name 3,4-(Methylenedioxy)phenyl isocyanate
CAS Number 69922-28-7 Molecular Weight 163.13000
Density 1.36 g/cm3 Boiling Point 265.6ºC at 760 mmHg
Molecular Formula C8H5NO3 Melting Point 48-51ºC(lit.)
MSDS Chinese USA Flash Point 110ºC
Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Danger

 Names

Name 5-isocyanato-1,3-benzodioxole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.36 g/cm3
Boiling Point 265.6ºC at 760 mmHg
Melting Point 48-51ºC(lit.)
Molecular Formula C8H5NO3
Molecular Weight 163.13000
Flash Point 110ºC
Exact Mass 163.02700
PSA 47.89000
LogP 1.38260
Index of Refraction 1.603
Storage condition 2-8°C

 MSDS


SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name: 3,4-(Methylenedioxy)phenyl isocyanate
REACH No.: A registration number is not available for this substance as the substance
or its uses are exempted from registration, the annual tonnage does not
require a registration or the registration is envisaged for a later
registration deadline.
CAS-No.: 69922-28-7


SECTION 2: Hazards identification
Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008
Acute toxicity, Inhalation (Category 4), H332
Acute toxicity, Dermal (Category 4), H312
Acute toxicity, Oral (Category 4), H302
Skin irritation (Category 2), H315
Eye irritation (Category 2), H319
Respiratory sensitisation (Category 1), H334
Specific target organ toxicity - single exposure (Category 3), H335
For the full text of the H-Statements mentioned in this Section, see Section 16.
Classification according to EU Directives 67/548/EEC or 1999/45/EC
Xn HarmfulR20/21/22, R36/37/38
For the full text of the R-phrases mentioned in this Section, see Section 16.
Label elements
Labelling according Regulation (EC) No 1272/2008
Pictogram
Signal wordDanger
Hazard statement(s)
Harmful if swallowed.
Harmful in contact with skin.
Causes skin irritation.
Causes serious eye irritation.
Harmful if inhaled.
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause respiratory irritation.
Precautionary statement(s)
Avoid breathing dust.
Wear protective gloves/ protective clothing.
P305 + P351 + P338IF IN EYES: Rinse cautiously with water for several minutes. Remove
contact lenses, if present and easy to do. Continue rinsing.
P342 + P311If experiencing respiratory symptoms: Call a POISON CENTER or doctor/
physician.
Supplemental Hazardnone
Statements
Other hazards
Lachrymator.

SECTION 3: Composition/information on ingredients
Substances
Formula: C8H5NO3
Molecular Weight: 163,13 g/mol
CAS-No.: 69922-28-7
Hazardous ingredients according to Regulation (EC) No 1272/2008
ComponentClassificationConcentration
3,4-(Methylenedioxy)phenyl isocyanate
CAS-No.69922-28-7Acute Tox. 4; Skin Irrit. 2; Eye<= 100 %
Irrit. 2; Resp. Sens. 1; STOT
SE 3; H302, H312, H315,
H319, H332, H334, H335
Hazardous ingredients according to Directive 1999/45/EC
ComponentClassificationConcentration
3,4-(Methylenedioxy)phenyl isocyanate
CAS-No.69922-28-7Xn, R20/21/22 - R36/37/38 <= 100 %
For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16

SECTION 4: First aid measures
Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
section 11
Indication of any immediate medical attention and special treatment needed
no data available

SECTION 5: Firefighting measures
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides, nitrogen oxides (NOx)
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure
adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
For personal protection see section 8.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
containers for disposal.
Reference to other sections
For disposal see section 13.

SECTION 7: Handling and storage
Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire
protection.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Recommended storage temperature: 2 - 8 °C
Store under inert gas. Moisture sensitive.
Specific end use(s)
A part from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
at the end of workday.
Personal protective equipment
Eye/face protection
Face shield and safety glasses Use equipment for eye protection tested and approved under
appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Body Protection
Complete suit protecting against chemicals, The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher
level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges.
Use respirators and components tested and approved under appropriate government standards
such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Do not let product enter drains.

SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) AppearanceForm: solid
b) Odourno data available
c) Odour Thresholdno data available
d) pHno data available
e) Melting point/freezingMelting point/range: 48 - 51 °C - lit.
point
f) Initial boiling point and no data available
boiling range
g) Flash point110 °C - closed cup
h) Evapouration rateno data available
i) Flammability (solid, gas) no data available
j) Upper/lowerno data available
flammability or
explosive limits
k) Vapour pressureno data available
l) Vapour densityno data available
m) Relative densityno data available
n) Water solubilityno data available
o) Partition coefficient: n- no data available
octanol/water
p) Auto-ignitionno data available
temperature
q) Decompositionno data available
temperature
r) Viscosityno data available
s) Explosive propertiesno data available
t) Oxidizing propertiesno data available
Other safety information
no data available

SECTION 10: Stability and reactivity
Reactivity
no data available
Chemical stability
Stable under recommended storage conditions.
Possibility of hazardous reactions
no data available
Conditions to avoid
Avoid moisture.
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
Other decomposition products - no data available
In the event of fire: see section 5

SECTION 11: Toxicological information
Information on toxicological effects
Acute toxicity
no data available
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitisation
Germ cell mutagenicity
no data available
Carcinogenicity
IARC:No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
Inhalation - May cause respiratory irritation.
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Additional Information
RTECS: Not available
Cough, Shortness of breath, Headache, Nausea, Vomiting

SECTION 12: Ecological information
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
Other adverse effects
no data available

SECTION 13: Disposal considerations
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed
professional waste disposal service to dispose of this material. Dissolve or mix the material with a
combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
Contaminated packaging
Dispose of as unused product.

SECTION 14: Transport information
UN number
ADR/RID: -IMDG: -IATA: 3335
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA:Aviation regulated solid, n.o.s. (3,4-(Methylenedioxy)phenyl isocyanate)
Transport hazard class(es)
ADR/RID: -IMDG: -IATA: 9
Packaging group
ADR/RID: -IMDG: -IATA: III
Environmental hazards
ADR/RID: noIMDG Marine pollutant: noIATA: no
Special precautions for user
no data available

SECTION 15: Regulatory information
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Safety, health and environmental regulations/legislation specific for the substance or mixture
no data available
Chemical Safety Assessment


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Danger
Hazard Statements H302-H312-H315-H319-H332-H334-H335
Precautionary Statements P261-P280-P305 + P351 + P338-P342 + P311
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn: Harmful;
Risk Phrases R20/21/22;R36/37/38
Safety Phrases 22-26-36
RIDADR UN 3335
WGK Germany 3
HS Code 2932999099

 Synthetic Route

~47%

3,4-(Methylenedioxy)phenyl isocyanate Structure

3,4-(Methylened...

CAS#:69922-28-7

Literature: Nalawde, Yogesh Madhukar; Joshi, Vidya Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1998 , vol. 37, # 3 p. 310 - 313

~%

3,4-(Methylenedioxy)phenyl isocyanate Structure

3,4-(Methylened...

CAS#:69922-28-7

Literature: European Journal of Medicinal Chemistry, , vol. 33, # 11 p. 839 - 858

~%

3,4-(Methylenedioxy)phenyl isocyanate Structure

3,4-(Methylened...

CAS#:69922-28-7

Literature: Organic Letters, , vol. 11, # 24 p. 5622 - 5625

~58%

3,4-(Methylenedioxy)phenyl isocyanate Structure

3,4-(Methylened...

CAS#:69922-28-7

Literature: Nalawde, Yogesh Madhukar; Joshi, Vidya Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1998 , vol. 37, # 3 p. 310 - 313

~%

3,4-(Methylenedioxy)phenyl isocyanate Structure

3,4-(Methylened...

CAS#:69922-28-7

Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 11, # 13 p. 1691 - 1694

~%

3,4-(Methylenedioxy)phenyl isocyanate Structure

3,4-(Methylened...

CAS#:69922-28-7

Literature: Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, , vol. 37, # 3 p. 310 - 313

~%

3,4-(Methylenedioxy)phenyl isocyanate Structure

3,4-(Methylened...

CAS#:69922-28-7

Literature: Journal of Medicinal Chemistry, , vol. 45, # 4 p. 770 - 780

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5-isocyanato-2H-1,3-benzodioxole
5-isocyanoto-1,3-benzodioxole
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