2394-20-9

2394-20-9 structure
2394-20-9 structure

Name dl-4-hydroxy-3-methoxymandelic acid
Synonyms DL-4-Hydroxy-3-MethoxyMandelic Acid
EINECS 200-224-0
MFCD00004235
Density 1.44g/cm3
Boiling Point 421.3ºC at 760 mmHg
Melting Point 131-134ºC
Molecular Formula C9H10O5
Molecular Weight 198.17300
Flash Point 173.7ºC
Exact Mass 198.05300
PSA 86.99000
LogP 0.51880
Appearance powder | white to off-white
Vapour Pressure 7.5E-08mmHg at 25°C
Index of Refraction 1.606
Storage condition 2-8°C
Water Solubility H2O: ~50 mg/mL

Section 1. Chemical Product and Company Identification
DL-3-Methoxy-4-hydroxymandelic Acid
Common Name/
Trade Name
DL-3-Methoxy-4-hydroxymandelic Acid

Section 4. First Aid Measures
Eye ContactCheck for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at
least 15 minutes. Cold water may be used. Get medical attention if irritation occurs.
Skin ContactWash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.
Cold water may be used.
Serious Skin ContactNot available.
InhalationIf inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get
medical attention.
Serious InhalationNot available.
IngestionDo NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an
unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight
clothing such as a collar, tie, belt or waistband.
Serious IngestionNot available.

Section 5. Fire and Explosion Data
Flammability of the Product May be combustible at high temperature.
Auto-Ignition Temperature Not available.
Flash PointsNot available.
Flammable LimitsNot available.
These products are carbon oxides (CO, CO2).
Products of Combustion
Fire Hazards in Presence of Slightly flammable to flammable in presence of heat.
Various SubstancesNon-flammable in presence of shocks.
Explosion Hazards in Presence Slightly explosive in presence of open flames and sparks.
of Various SubstancesNon-explosive in presence of shocks.
Fire Fighting MediaSMALL FIRE: Use DRY chemical powder.
and InstructionsLARGE FIRE: Use water spray, fog or foam. Do not use water jet.
Special Remarks onAs with most organic solids, fire is possible at elevated temperatures
Fire Hazards
Special Remarks on Explosion Fine dust dispersed in air in sufficient concentrations, and in the presences of an ignition source is a potential dust
Hazardsexplosion hazard.

Section 6. Accidental Release Measures
Small SpillUse appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by
spreading water on the contaminated surface and dispose of according to local and regional authority
requirements.
Large Spill
Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water
on the contaminated surface and allow to evacuate through the sanitary system.
DL-3-Methoxy-4-hydroxymandelic Acid

Section 7. Handling and Storage
PrecautionsKeep away from heat. Keep away from sources of ignition. Ground all equipment containing material. Do not
breathe dust. Keep away from incompatibles such as oxidizing agents.
StorageKeep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above 8°C (46.4°F).
Refrigerate. Store at temperatures between 2 and 8 deg. C.

Section 8. Exposure Controls/Personal Protection
Engineering ControlsUse process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below
recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to
airborne contaminants below the exposure limit.
Personal Protection
Safety glasses. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves.
Personal Protection in Case of Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used
a Large Spillto avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist
BEFORE handling this product.
Exposure LimitsNot available.

Section 9. Physical and Chemical Properties
Physical state and appearance Solid.OdorNot available.
TasteNot available.
Molecular Weight198.18 g/mole
Colorgrey.
pH (1% soln/water)Not available.
Boiling PointNot available.
Melting Point132°C (269.6°F) - 134 C
Critical TemperatureNot available.
Not available.
Specific Gravity
Vapor PressureNot applicable.
Vapor DensityNot available.
VolatilityNot available.
Odor ThresholdNot available.
Not available.
Water/Oil Dist. Coeff.
Ionicity (in Water)Not available.
See solubility in water.
Dispersion Properties
SolubilityEasily soluble in cold water, hot water.

Section 10. Stability and Reactivity Data
StabilityThe product is stable.
Not available.
Instability Temperature
Conditions of InstabilityExcessive heat, incompatible materials, dust generation
Incompatibility with variousReactive with oxidizing agents.
substances
CorrosivityNot available.
DL-3-Methoxy-4-hydroxymandelic Acid
Special Remarks onNot available.
Reactivity
Special Remarks onNot available.
Corrosivity
PolymerizationWill not occur.

Section 11. Toxicological Information
Routes of EntryInhalation. Ingestion.
Toxicity to AnimalsLD50: Not available.
LC50: Not available.
Chronic Effects on Humans Not available.
Other Toxic Effects onSlightly hazardous in case of skin contact (irritant), of ingestion, of inhalation.
Humans
Special Remarks onNot available.
Toxicity to Animals
Special Remarks on
Not available.
Chronic Effects on Humans
Special Remarks on otherAcute Potential Health Effects:
Toxic Effects on HumansSkin: May cause skin irritation.
Eyes: May cause eye irritation.
Inhalation: May cause respiratory tract irritation.
Ingestion: May cause digestive tract irritation.
The toxicological properties of this substance have not been fully investigated.

Section 12. Ecological Information
EcotoxicityNot available.
BOD5 and CODNot available.
Products of BiodegradationPossibly hazardous short term degradation products are not likely. However, long term degradation products may
arise.
Toxicity of the ProductsThe product itself and its products of degradation are not toxic.
of Biodegradation
Special Remarks on theNot available.
Products of Biodegradation

Section 13. Disposal Considerations
Waste DisposalWaste must be disposed of in accordance with federal, state and local environmental
control regulations.

Section 14. Transport Information
DOT ClassificationNot a DOT controlled material (United States).
IdentificationNot applicable.
Not applicable.
Special Provisions for
Transport
DL-3-Methoxy-4-hydroxymandelic Acid
DOT (Pictograms)

Section 15. Other Regulatory Information and Pictograms
No products were found.
Federal and State
Regulations
CaliforniaCalifornia prop. 65: This product contains the following ingredients for which the State of California has found
to cause cancer which would require a warning under the statute: No products were found.
Proposition 65
Warnings
California prop. 65: This product contains the following ingredients for which the State of California has found
to cause birth defects which would require a warning under the statute: No products were found.
Other RegulationsNot available.
WHMIS (Canada) Not controlled under WHMIS (Canada).
Other Classifications
DSCL (EEC)This product is not classified accordingS24/25- Avoid contact with skin and eyes.
to the EU regulations.S28- After contact with skin, wash immediately
with plenty of [***]
S36/37- Wear suitable protective clothing and
gloves.
Health Hazard
HMIS (U.S.A.)1 National Fire Protection
1 Flammability
1 Association (U.S.A.)
Fire Hazard
1 0 Reactivity
Health
Reactivity
0
Specific hazard
Personal Protection
E
WHMIS (Canada)
(Pictograms)
DSCL (Europe)
(Pictograms)
TDG (Canada)
(Pictograms)
ADR (Europe)
(Pictograms)
Protective Equipment
Gloves.
Lab coat.
DL-3-Methoxy-4-hydroxymandelic Acid
Dust respirator. Be sure to use an
approved/certified respirator or
equivalent.


SECTION 16 - ADDITIONAL INFORMATION
N/A
Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases S24/25
WGK Germany 3
HS Code 2918990090
HS Code 2918990090
Summary 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%