Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Documentation status
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
Identity
CAS Number
32329-20-7
Chemical name
3-Methyl-3,4-dihydro-2H-1,4-benzoxazine
Molecular formula
C9H11NO
Molecular weight
149.19 g/mol
Synonyms
2H-1,4-Benzoxazine, 3,4-dihydro-3-methyl-; 3,4-dihydro-3-methyl-2H-1,4-benzoxazine; 3-Methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine; 3-METHYL-3,4-DIHYDRO-2H-BENZO[1,4]OXAZINE; 2,3-dihydro-3-methyl-1,4-benzoxazine; 3-methyl-2H,3H,4H-benzo[e]1,4-oxazine; (rs)-3-methyl-3,4-dihydro-2h-[1,4]benzoxazine; (RS)-3-Methyl-3,4-dihydro-2H-benzo[1,4]oxazine
InChIKey
BSDVKBWLRCKPFB-UHFFFAOYSA-N
PubChem CID
2763760
Hazard / GHS Reference
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H302
Catalog reference cue; confirm supplier documentation before use.
Handling & PPE
- Keep container tightly closed and dry. Store in a well-ventilated place. Recommended storage conditions: keep away from light, purge with inert gas, 2-8°C
- If exposed to a harmful environment, use a P95 (US) or P1 (EU UK 143) particulate respirator. For higher level protection, use an OV/AG/P99 (US) or ABEK-P2 (EU UK 143) gas filter. Respirators must be tested and approved by government standards such as NIOSH (US) or CEN (EU).
- The product, remaining and non-recyclable solutions should be handed over to a licensed company for disposal. Contact a professional agency with a waste disposal license to handle this substance. Burn contaminated packaging in a chemical incinerator with post-combustion and washing functions. Contaminated packaging should be disposed of as unutilized product.
First Aid / Accidental Release
- Do not give anything to an unconscious person. Rinse mouth with water. Consult a physician.
- If inhaled, move the person to fresh air. If breathing stops, perform artificial respiration. Consult a physician.
- Rinse with plenty of water for at least 15 minutes and consult a physician.
- Wash with soap and plenty of water. Consult a physician.
- Do not generate dust when collecting and disposing. Sweep and shovel up. Place in a suitable closed container for disposal.
- Use personal protective equipment and emergency procedures. Avoid dust generation. Avoid inhaling vapors, mists or gases. Ensure adequate ventilation. Evacuate personnel to a safe area. Avoid inhaling dust. For personal protection, see
- Do not allow the product to enter drains.
- The product, remaining and non-recyclable solutions should be handed over to a licensed company for disposal. Contact a professional agency with a waste disposal license to handle this substance. Burn contaminated packaging in a chemical incinerator with post-combustion and washing functions. Contaminated packaging should be disposed of as unutilized product.
Firefighting / Stability
- If necessary, wear a self-contained breathing apparatus for firefighting operations.
- Reactivity and stability
- Carbon monoxide, carbon dioxide, nitrogen oxides
Physical and Chemical Reference
Appearance
Liquid
Catalog reference value; verify against supplier SDS before use.
XLogP
2.1
Catalog reference value; verify against supplier SDS before use.
Transport / Shipment Review
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.
- Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.