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
100-09-4
Chemical name
4-Methoxybenzoic Acid
Molecular formula
C8H8O3
Molecular weight
152.15 g/mol
Synonyms
p-Anisic acid; p-Methoxybenzoic acid; Draconic acid; Benzoic acid, 4-methoxy-; 4-Anisic acid; ANISIC ACID, PARA; para-anisic acid; FEMA NO. 3945
InChIKey
ZEYHEAKUIGZSGI-UHFFFAOYSA-N
PubChem CID
7478
Hazard / GHS Reference
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H302, H315, H319, H335
Catalog reference cue; confirm supplier documentation before use.
Handling & PPE
- Closed. Dry. Store in a well-ventilated area. Recommended storage conditions: Sealed and dry, room temperature
- Use a P95 (US) or P1 (EU) particulate respirator if exposed to hazardous environments. For higher level of protection, use an OV/AG/P99 (US) or ABEK-P2 (EU) gas filter. Respirators and parts must be tested and approved by government standards such as NIOSH (US) or CEN (EU).
- The remaining and non-recyclable solution should be handed over to a licensed company for disposal. Contact a professional institution with a waste disposal license to handle this substance. Combust the contaminated packaging in a chemical incinerator with combustion and washing functions. Contaminated packaging should be disposed of as unused product.
First Aid / Accidental Release
- Do not give anything to an unconscious person. Rinse mouth with water. Consult a doctor.
- If inhaled, move the person to fresh air. If breathing stops, perform artificial respiration. Consult a doctor.
- Rinse with plenty of water for at least 15 minutes and consult a doctor.
- Wash with soap and plenty of water. Consult a doctor.
- Do not generate dust when collecting and disposing. Sweep up and shovel. Place in a suitable closed container for disposal.
- The remaining and non-recyclable solution should be handed over to a licensed company for disposal. Contact a professional institution with a waste disposal license to handle this substance. Combust the contaminated packaging in a chemical incinerator with combustion and washing functions. Contaminated packaging should be disposed of as unused product.
Firefighting / Stability
- Wear a self-contained breathing apparatus in firefighting situations.
- and reaction activity
- carbon monoxide, carbon dioxide
Physical and Chemical Reference
Melting Point
183–185
Catalog reference value; verify against supplier SDS before use.
Boiling Point
275–280 °C
Catalog reference value; verify against supplier SDS before use.
pKa
4.47
Catalog reference value; verify against supplier SDS before use.
Vapor Pressure
Estimated value, unit not specified
Catalog reference value; verify against supplier SDS before use.
XLogP
2
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.