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Benzaldehyde,2-hydroxy-

1 - Product and Company Information

Product Name SALICYLALDEHYDE, REAGENT GRADE, 98%
Product Number S356
2 - Composition/Information on Ingredients

Product Name CAS # EC no Annex I
Index Number
SALICYLALDEHYDE 90-02-8 201-961-0 None

Formula C7H6O2
Molecular Weight 122.12 AMU
Synonyms Benzaldehyde, o-hydroxy- * o-Formylphenol *
2-Formylphenol * o-Hydroxybenzaldehyde *
2-Hydroxybenzaldehyde * SAH * Salicyladehyde *
Salicylal * Salicylic aldehyde

3 - Hazards Identification

SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Harmful in contact with skin and if swallowed. Irritating to eyes
and skin.

4 - First Aid Measures

AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.

AFTER SKIN CONTACT
In case of skin contact, flush with copious amounts of water for
at least 15 minutes. Remove contaminated clothing and shoes.
Call a physician.

AFTER EYE CONTACT
In case of contact with eyes, flush with copious amounts of
water for at least 15 minutes. Assure adequate flushing by
separating the eyelids with fingers. Call a physician.

AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.

5 - Fire Fighting Measures

EXTINGUISHING MEDIA
Suitable: Carbon dioxide, dry chemical powder, or appropriate
foam. Water spray.

SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.
Combustible.

SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.

6 - Accidental Release Measures

PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area.

PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear self-contained breathing apparatus, rubber boots, and heavy
rubber gloves.

METHODS FOR CLEANING UP
Absorb on sand or vermiculite and place in closed containers for
disposal. Ventilate area and wash spill site after material
pickup is complete.

7 - Handling and Storage

HANDLING
Directions for Safe Handling: Avoid prolonged or repeated
exposure. Do not breathe vapor. Avoid contact with eyes, skin,
and clothing.

STORAGE
Conditions of Storage: Keep tightly closed. Keep away from heat
and open flame. Store in a cool dry place.

8 - Exposure Controls / Personal Protection

ENGINEERING CONTROLS
Safety shower and eye bath. Mechanical exhaust required.

GENERAL HYGIENE MEASURES
Wash thoroughly after handling.

PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.

9 - Physical and Chemical Properties

Appearance Color: Slightly yellow-green
Form: Clear liquid

Property Value At Temperature or Pressure

pH N/A
BP/BP Range 79 - 80 ??C 11 mmHg
MP/MP Range 1 ??C
Flash Point 77 ??C Method: closed cup
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure 1 mmHg 33 ??C
SG/Density 1.166 g/cm3
Partition Coefficient N/A
Viscosity N/A
Vapor Density 4.2 g/l
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content < 0.2 %
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility N/A

10 - Stability and Reactivity

STABILITY
Stable: Stable.
Materials to Avoid: Strong oxidizing agents, Strong bases, Strong
reducing agents, Metals.

HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide.

HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur

11 - Toxicological Information

RTECS NUMBER: VN5250000

ACUTE TOXICITY

LD50
Oral
Rat
520 mg/kg

LD50
Skin
Rat
600 mg/kg

LD50
Subcutaneous
Rat
900 MG/KG

LD50
Oral
Mouse

504 mg/kg

LD50
Intraperitoneal
Mouse
231 MG/KG

LD50
Skin
Rabbit
3000 mg/kg

LD50
Skin
Guinea pig
20 ML/KG

IRRITATION DATA

Skin
Rabbit
500 mg
24H
Remarks: Moderate irritation effect

SIGNS AND SYMPTOMS OF EXPOSURE
To the best of our knowledge, the chemical, physical, and
toxicological properties have not been thoroughly investigated.

ROUTE OF EXPOSURE
Skin Contact: Causes skin irritation.
Skin Absorption: Harmful if absorbed through skin.
Eye Contact: Causes eye irritation.
Inhalation: Material may be irritating to mucous membranes and
upper respiratory tract. May be harmful if inhaled.
Ingestion: Harmful if swallowed.

CHRONIC EXPOSURE - TERATOGEN

Species: Rat
Dose: 400 MG/KG
Route of Application: Subcutaneous
Exposure Time: (11D PREG)
Result: Specific Developmental Abnormalities: Musculoskeletal
system.

CHRONIC EXPOSURE - REPRODUCTIVE HAZAR
Species: Rat
Dose: 400 MG/KG
Route of Application: Subcutaneous
Exposure Time: (11D PREG)
Result: Effects on Fertility: Post-implantation mortality (e.g.,
dead and/or resorbed implants per total number of implants).
Effects on Embryo or Fetus: Fetal death. Specific Developmental
Abnormalities: Craniofacial (including nose and tongue).

12 - Ecological Information

N/A

ECOTOXICOLOGICAL EFFECTS

Test Type: LC50 Fish
Species: Pimephales promelas (Fathead minnow)
Time: 96 h
Value: 2.3 mg/l

13 - Disposal Considerations

SUBSTANCE DISPOSAL
Dissolve or mix the material with a combustible solvent and burn
in a chemical incinerator equipped with an afterburner and
scrubber. Observe all federal, state, and local environmental
regulations. This combustible material may be burned in a chemical
incinerator equipped with an afterburner and scrubber.

14 - Transport Information

RID/AD Non-hazardous for road transport.

IMDG
Non-hazardous for sea transport.

IATA
Non-hazardous for air transport.

15 - Regulatory Information

CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
INDICATION OF DANGER: Xn
Harmful.
R-PHRASES: 21/22 36/38
Harmful in contact with skin and if swallowed. Irritating to
eyes and skin.
S-PHRASES: 26 36/37
In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice. Wear suitable protective
clothing and gloves.

COUNTRY SPECIFIC INFORMATION

Germany
WGK: 2

SWITZERLAN SWISS POISON CLASS: 3

16 - Other Information

WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.

DISCLAIME
For R&D use only. Not for drug, household or other uses.

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