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Phthaldialdehyde

Item number685533
CAS643-79-8
FormulaC8H6O2
Molecular weight134,13 g/mol
Quantity 1X100MG
storage conditions4 °C
CoA / MSDSRetrieve CoA
Retrieve MSDS
Phthaldialdehyde

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Phthaldialdehyde

Phthaldialdehyde

685533
643-79-8

1X100MG

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Safety Data Sheetaccording to Regulation (EC) No 1907/2006 (REACH)
Classifications according to Regulation (EC) No 1272/2008.
Printdate 27.04.2025
IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING
Product name:Phthaldialdehyde
Catalog No.:685533
Relevant identified uses of the substance or mixtureIdentified: Laboratory chemical
uses: R&D
Uses advised against:HPC Standards GmbH
Am Wieseneck 7

04451 Cunnersdorf
Deutschland


Tel. +49 34291 3372-36
Fax. +49 34291 3372-39
contact@hpc-standards.com
Emergency telephone numberHPC Standards Tel. +49 34291 3372-36
This number is only available during office hours.
HAZARDS IDENTIFICATION2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008
Acute toxicity, Oral (Category 3), H301
Skin corrosion (Category 1B), H314
Skin sensitisation (Category 1), H317
Short-term (acute) aquatic hazard (Category 1), H400
Long-term (chronic) aquatic hazard (Category 1), H410
Label elements
PictogramGHS05 acid
acid
GHS06 skull
skull
GHS09 Aquatic-pollut-red
Aquatic-pollut-red
2.2 Label elements
Labelling according Regulation (EC) No 1272/2008 Pictogram Signal word Danger
Hazard statement(s)
H301 Toxic if swallowed.
H314 Causes severe skin burns and eye damage.
H317 May cause an allergic skin reaction.
H410 Very toxic to aquatic life with long lasting effects.
Precautionary statement(s)
P260 Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P280 Wear protective gloves/ protective clothing/ eye protection/ face
protection.
P301 + P330 + P331 +
P310
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
Immediately call a POISON CENTER/ doctor.
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated
clothing. Rinse skin with water/shower.
P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable
for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do. Continue
rinsing.
Supplemental Hazard
Statements
none
2.3 Other hazards
This substance/mixture contains no components considered to be either persistent,
bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at
levels of 0.1% or higher
COMPOSITION/INFORMATION ON INGREDIENTS3.1 Substances
Synonyms : OPA
Benzene-1,2-dicarboxaldehyde
o-Phthalic dicarboxaldehyde
o-Phthalaldehyde
Formula : C8H6O2
Molecular weight : 134,13 g/mol
CAS-No. : 643-79-8
EC-No. : 211-402-2
Component Classification Concentration
o-Phthalaldehyde
Acute Tox. 3; Skin Corr.
1B; Skin Sens. 1; STOT SE
3; Aquatic Acute 1;
Aquatic Chronic 1; H301,
H314, H317, H335, H400,
H410
<= 100 %
FormulaC8H6O2
Molecular Weight (g/mol)134.13
CAS-No.643-79-8
FIRST AID MEASURES4.1 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
Take off contaminated clothing and shoes immediately. Wash off with soap and plenty of
water. Take victim immediately to hospital. 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
Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse
mouth with water. Consult a physician.
4.2 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
4.3 Indication of any immediate medical attention and special treatment needed
No data available
FIRE-FIGHTING MEASURES5.1 Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
5.2 Special hazards arising from the substance or mixture
Carbon oxides
5.3 Advice for firefighters
Wear self-contained breathing apparatus for firefighting if necessary.
5.4 Further information
No data available
ACCIDENTAL RELEASE MEASURES6.1 Personal precautions, protective equipment and emergency procedures
Wear respiratory protection. 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.
6.2 Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains.
Discharge into the environment must be avoided 6.3 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.
6.4 Reference to other sections
For disposal see section 13
HANDLING AND STORAGE7.1 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.
For precautions see section 2.2.
7.2 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
Light sensitive. Moisture sensitive. Store under inert gas.
7.3 Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated
EXPOSURE CONTROLS/PERSONAL PROTECTION
PHYSICAL AND CHEMICAL PROPERTIES9.1 Information on basic physical and chemical properties
a) Appearance Form: powder
b) Odour No data available
c) Odour Threshold No data available
d) pH No data available
e) Melting
point/freezing point
Melting point/range: 55 - 58 °C
f) Initial boiling point
and boiling range
83 °C at 1,067 hPa
g) Flash point 132 °C - closed cup
h) Evaporation rate No data available
i) Flammability (solid,
gas)
No data available
j) Upper/lower
flammability or
explosive limits
No data available
k) Vapour pressure No data available
l) Vapour density No data available m) Relative density No data available
n) Water solubility No data available
o) Partition coefficient:
n-octanol/water
log Pow: 0,934
p) Auto-ignition
temperature
No data available
q) Decomposition
temperature
No data available
r) Viscosity No data available
s) Explosive properties No data available
t) Oxidizing properties No data available
9.2 Other safety information
No data available
STABILITY AND REACTIVITY10.1 Reactivity
No data available
10.2 Chemical stability
Stable under recommended storage conditions.
10.3 Possibility of hazardous reactions
No data available
10.4 Conditions to avoid
No data available
10.5 Incompatible materials
Oxidizing agents, Amines, Strong bases
10.6 Hazardous decomposition products
Hazardous decomposition products formed under fire conditions. - Carbon oxides
Other decomposition products - No data available
In the event of fire: see section 5
TOXICOLOGICAL INFORMATION11.1 Information on toxicological effects
Acute toxicity
LD50 Oral - Rat - male and female - 178 mg/kg
(OECD Test Guideline 401)
LD50 Dermal - Rat - male and female - > 2.000 mg/kg
(OECD Test Guideline 402)
Skin corrosion/irritation
Skin - Rabbit
Result: Causes burns. - 4 h
(OECD Test Guideline 404)
Serious eye damage/eye irritation
Risk of serious damage to eyes Respiratory or skin sensitisation
Maximisation Test - Guinea pig
Result: Causes sensitisation.
(OECD Test Guideline 406)
Germ cell mutagenicity
Ames test
Result: negative
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
May cause respiratory irritation.
Specific target organ toxicity - repeated exposure
No data available
Aspiration hazard
No data available
Additional Information
RTECS: TH6950000
burning sensation, Cough, wheezing, laryngitis, Shortness of breath, spasm, inflammation
and edema of the larynx, spasm, inflammation and edema of the bronchi, pneumonitis,
pulmonary edema, Material is extremely destructive to tissue of the mucous membranes
and upper respiratory tract, eyes, and skin., To the best of our knowledge, the chemical,
physical, and toxicological properties have not been thoroughly investigated.
ECOLOGICAL INFORMATION12.1 Toxicity
Toxicity to fish LC50 - Oncorhynchus mykiss (rainbow trout) - 0,07 mg/l - 96 h
Remarks: (ECOTOX Database)
Toxicity to daphnia
and other aquatic
invertebrates
static test EC50 - Daphnia magna (Water flea) - 0,11 mg/l - 48 h
(OECD Test Guideline 202)
Toxicity to algae static test EC50 - Pseudokirchneriella subcapitata (green algae) -
0,22 mg/l - 96 h
Remarks: (ECOTOX Database)
Toxicity to bacteria static test EC50 - activated sludge - 76,6 mg/l - 3 h
(OECD Test Guideline 209)
static test NOEC - activated sludge - 9,8 mg/l - 3 h
(OECD Test Guideline 209)
12.2 Persistence and degradability
Biodegradability aerobic - Exposure time 28 d
Result: 7 % - Not readily biodegradable.
(OECD Test Guideline 301B) 12.3 Bioaccumulative potential
No data available
12.4 Mobility in soil
No data available
12.5 Results of PBT and vPvB assessment
This substance/mixture contains no components considered to be either persistent,
bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at
levels of 0.1% or higher.
12.6 Other adverse effects
Very toxic to aquatic life with long lasting effects.
Discharge into the environment must be avoided
DISPOSAL CONSIDERATIONS13.1 Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. 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.
TRANSPORT INFORMATION14.1 UN number
ADR/RID: 2923 IMDG: 2923 IATA: 2923
14.2 UN proper shipping name
ADR/RID: CORROSIVE SOLID, TOXIC, N.O.S. (o-Phthalaldehyde)
IMDG: CORROSIVE SOLID, TOXIC, N.O.S. (o-Phthalaldehyde)
IATA: Corrosive solid, toxic, n.o.s. (o-Phthalaldehyde)
14.3 Transport hazard class(es)
ADR/RID: 8 (6.1) IMDG: 8 (6.1) IATA: 8 (6.1)
14.4 Packaging group
ADR/RID: II IMDG: II IATA: II
14.5 Environmental hazards
ADR/RID: yes IMDG Marine pollutant: yes IATA: no
14.6 Special precautions for user
No data available
REGULATORY INFORMATION15.1 Safety, health and environmental regulations/legislation specific for the
substance or mixture
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006 15.2 Chemical safety assessment
For this product a chemical safety assessment was not carried out
OTHER INFORMATIONThe 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. For lab use only!