MERCK 111452.0005 Phthaldialdehyde for Fluorometry
| Description |
|---|
| Catalogue Number | 111452 |
| Synonyms | OPA |
| Description | Phthaldialdehyde |
| Product Information |
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| CAS number | 643-79-8 |
| EC number | 211-402-2 |
| Hill Formula | C₈H₆O₂ |
| Chemical formula | C₆H₄(CHO)₂ |
| Molar Mass | 134.13 g/mol |
| HS Code | 2912 29 90 |
| Structure formula Image |
| Quality Level | MQ100 |
| Applications |
|---|
| Application | Phthaldialdehyde for fluorometry. CAS 643-79-8, EC Number 211-402-2, chemical formula C₆H₄-1,2-(CHO)₂. |
| Physicochemical Information |
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| Boiling point | 83 - 84 °C (1 hPa) |
| Density | 1.13 g/cm3 (20 °C) |
| Flash point | 132 °C |
| Ignition temperature | 480 °C |
| Melting Point | 55 - 56 °C |
| pH value | 7 (53 g/l, H₂O, 20 °C) |
| Vapor pressure | 0.33 Pa (20 °C) |
| Bulk density | 530 kg/m3 |
| Solubility | 53 g/l |
| Toxicological Information |
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| LD 50 oral | LD50 Rat 178 mg/kg |
| LD 50 dermal | LD50 Rat > 2000 mg/kg |
| Safety Information according to GHS |
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| Hazard Pictogram(s) | |
| Hazard Statement(s) | H301: Toxic if swallowed.H314: Causes severe skin burns and eye damage.H317: May cause an allergic skin reaction.H335: May cause respiratory irritation.H410: Very toxic to aquatic life with long lasting effects. |
| Precautionary Statement(s) | P260: Do not breathe dust.P273: Avoid release to the environment.P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.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. |
| Signal Word | Danger |
| RTECS | TH6950000 |
| Storage class | 6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials |
| WGK | WGK 3 highly hazardous to water |
| Disposal | 9Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535). |
| Safety Information |
|---|
| Categories of danger | toxic, corrosive, sensitizing, dangerous for the environment |
| Storage and Shipping Information |
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| Storage | Store below +15°C. |
| Transport Information |
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| Declaration (railroad and road) ADR, RID | UN 2923, 8 (6.1), II |
| Declaration (transport by air) IATA-DGR | UN 2923, 8 (6.1), II |
| Declaration (transport by sea) IMDG-Code | UN 2923, 8 (6.1), II |
| Specifications |
|---|
| Purity (GC) | ≥ 99 % |
| Identity (IR) | conforms |
| Melting point | 54 - 58 °C |
| Fluorescence (340 nm, 0,8 g/l, ethanol, as quinine) | ≤ 2 ppb |
| Phthalic acid (TLC) | ≤ 0.5 % |
| Nitrogen compounds (as N) | ≤ 0.05 % |
| Global Trade Item Number |
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| Catalogue Number | GTIN |
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| 1114520005 | 04022536132846 |
| 1114520050 | 04022536132853 |
