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<p>N,N-Dimethylacetamide (CAS 127-19-5), a solvent within the category of Solvents for HPLC, has a Molecular Weight of 87.12 g/mol. It belongs to the substance group Carboxylic acid amides. In the workplace, it is subject to various precautions such as prohibiting smoking, no unauthorized access, no eating or drinking, and the use of safety equipment like goggles and gloves. The European Union has set binding occupational exposure limits, including an 8-hour limit value of 36 mg/m3 (10 ppm) and a short-term limit value of 72 mg/m3 (20 ppm). This compound is classified as harmful in contact with skin, combustible, suspected of causing cancer, and may cause eye irritation.</p> <ul> <li>CAS Number: 127-19-5</li> <li>Molecular Formula: C4H9NO</li> <li>Molecular Weight: 87.12</li> <li>Exact Mass: 87.068413911</li> <li>Boiling Point: 329 to 331 °F at 760 mmHg (NTP, 1992)</li> <li>Melting Point: -4 °F (NTP, 1992)</li> <li>Density: 3.01 (Air= 1)</li> <li>GHS Signal Word: Danger</li> <li>Hazard Statements:</li> <li>H312: Harmful in contact with skin [Warning Acute toxicity, dermal]</li> <li>H227: Combustible liquid [Warning Flammable liquids]</li> <li>H350: May cause cancer [Danger Carcinogenicity]</li> <li>H351: Suspected of causing cancer [Warning Carcinogenicity]</li> <li>H320: Causes eye irritation [Warning Serious eye damage/eye irritation]</li> </ul>
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<p>Dichloromethane, also known as Methylene chloride, is a solvent categorized under Solvents for HPLC. It belongs to Halogenated hydrocarbons and Chlorine compounds. With a Molecular Weight of 84.93 g/mol, this substance requires workplace precautions such as safety goggles and gloves. The recommended indicative occupational exposure limit value for the European Union is 353 mg/m3 (100 ppm), with a risk of percutaneous absorption.</p> <ul> <li>CAS Number: 75-09-2</li> <li>Molecular Formula: CH2Cl2</li> <li>Molecular Weight: 84.93</li> <li>Exact Mass: 83.9533555</li> <li>Boiling Point: 103.6 °F at 760 mmHg (NTP, 1992)</li> <li>Melting Point: -142.1 °F (NTP, 1992)</li> <li>Vapour Density: 2.93 (NTP, 1992) - Heavier than air; will sink (Relative to Air)</li> <li>GHS Signal Word: Warning</li> <li>Hazard Statements:</li> <li>H351: Suspected of causing cancer [Warning Carcinogenicity]</li> <li>H302 (24.1%): Harmful if swallowed [Warning Acute toxicity, oral]</li> <li>H315: Causes skin irritation [Warning Skin corrosion/irritation]</li> </ul>
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<p>Acetonitrile, a nitrile solvent with the molecular formula C2H3N and a Molecular Weight of 41.05 g/mol, is classified under the category of Solvents for HPLC. It falls under the substance group of Nitriles. In the workplace, it is labeled with several precautions such as "No open flame; fire, open ignition sources and smoking prohibited," "No admittance for unauthorized persons," "Caution - inflammable material," "Use safety goggles," and "Wear safety gloves." The recommended indicative occupational exposure limit value for the European Union is an 8-hour limit value of 70 mg/m3 (40 ppm), as per Directive 2006/15/EC. Acetonitrile is highly flammable, as indicated by the GHS signal word "Danger.</p> <ul> <li>CAS Number: 75-05-8</li> <li>Molecular Formula: C2H3N</li> <li>Molecular Weight: 41.05</li> <li>Exact Mass: 41.026549100</li> <li>Boiling Point: 178.9 °F at 760 mmHg (NTP, 1992)</li> <li>Melting Point: -49 °F (NTP, 1992)</li> <li>Vapour Density: 1.42 (NTP, 1992) - Heavier than air; will sink (Relative to Air)</li> <li>GHS Signal Word: Danger</li> <li>Hazard Statements:</li> <li>H225: Highly Flammable liquid and vapor [Danger Flammable liquids]</li> </ul>
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<p>The chemical substance discussed is Acetic Acid N -Butyl Ester, categorized as a Solvent for HPLC. It belongs to the Carboxylic acid esters group with a molecular weight of 116.16 g/mol. In the workplace, it is labeled with several warnings such as "Prohibition label," "Caution - inflammable material," "Use safety goggles," and "Wear safety gloves." The recommended indicative occupational exposure limit value for the European Union is 8 hours limit value: 241 mg/m3 (50 ppm), and short term limit value: 723 mg/m3 (150 ppm) according to Directive 2019/1831/EU.</p> <ul> <li>CAS Number: 123-86-4</li> <li>Molecular Formula: C6H12O2</li> <li>Molecular Weight: 116.16</li> <li>Exact Mass: 116.083729621</li> <li>Boiling Point: 259.7 °F at 760 mmHg (NTP, 1992)</li> <li>Melting Point: -108.2 °F (NTP, 1992)</li> <li>Vapour Density: 4 (NTP, 1992) - Heavier than air; will sink (Relative to Air)</li> <li>GHS Signal Word: Warning</li> <li>Hazard Statements:</li> <li>H226: Flammable liquid and vapor [Warning Flammable liquids]</li> <li>H225: Highly Flammable liquid and vapor [Danger Flammable liquids]</li> </ul>
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<p>This product is identified as Chloroform (CAS 67-66-3), a solvent used in high-performance liquid chromatography (HPLC). It belongs to the groups of halogenated hydrocarbons and chlorine compounds. Its molecular formula is CHCl3 with a Molecular Weight of 119.38 g/mol. The product requires specific handling due to its toxic nature, necessitating workplace precautions such as wearing safety goggles and gloves, prohibiting smoking, no eating and drinking, and restricting access to authorized personnel only. The recommended occupational exposure limit value for Chloroform is 10 mg/m3 (2 ppm) according to Directive 2000/39/EC.</p> <ul> <li>CAS Number: 67-66-3</li> <li>Molecular Formula: CHCl3</li> <li>Molecular Weight: 119.37</li> <li>Exact Mass: 117.914383</li> <li>Boiling Point: 143 °F at 760 mmHg (EPA, 1998)</li> <li>Melting Point: -82.3 °F (EPA, 1998)</li> <li>Vapour Density: 4.12 (EPA, 1998) - Heavier than air; will sink (Relative to Air)</li> <li>GHS Signal Word: Danger</li> <li>Hazard Statements:</li> <li>H302: Harmful if swallowed [Warning Acute toxicity, oral]</li> <li>H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]</li> </ul>
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