946f - Names and Identifiers
Name | 2,3-dihydro-1,4-benzodioxin-2-methylamine
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Synonyms | 946F LP 1 946f NSC 116045 fourneau946 BRN 0150152 Fourneau 946 AKOS BB-8797 TIMTEC-BB SBB006958 LP 1 (pharmaceutical) aminomethylbenzodioxan Aminomethylbenzodioxan 1,4-Benzodioxan-2-methylamine 1,4-benzodioxan-2-methylamine 2,3-dihydro-4-benzodioxin-2-methanamine 2,3-Dihydro-1,4-benzodioxin-2-methanamine 2,3-dihydro-1,4-benzodioxin-2-methanamine 2,3-dihydro-1,4-benzodioxin-2-methylamine 1,4-Benzodioxin-2-methanamine, 2,3-dihydro- 5-19-08-00402 (Beilstein Handbook Reference) 1-(2,3-dihydro-1,4-benzodioxin-2-yl)methanamine (2S)-2,3-dihydro-1,4-benzodioxin-2-ylmethanaminium (2R)-2,3-dihydro-1,4-benzodioxin-2-ylmethanaminium
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CAS | 4442-59-5
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EINECS | 224-671-6 |
InChI | InChI=1/C9H11NO2/c10-5-7-6-11-8-3-1-2-4-9(8)12-7/h1-4,7H,5-6,10H2/p+1/t7-/m1/s1 |
946f - Physico-chemical Properties
Molecular Formula | C9H11NO2
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Molar Mass | 165.19 |
Density | 1.1679g/mLat 25°C |
Melting Point | 184-188 °C |
Boling Point | 105-110°C/3mmHg |
Flash Point | 124.1°C |
Solubility | Chloroform, Ethyl Acetate |
Vapor Presure | 0.00885mmHg at 25°C |
Appearance | Oil |
Color | Clear Colorless |
pKa | 8.88±0.29(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
Refractive Index | n20/D 1.5594 |
946f - Risk and Safety
Hazard Symbols | Xi - Irritant
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Risk Codes | R34 - Causes burns
R41 - Risk of serious damage to eyes
R37/38 - Irritating to respiratory system and skin.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
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UN IDs | 2735 |
WGK Germany | 3 |
RTECS | DF3676000 |
Hazard Class | IRRITANT |
Toxicity | LDLo intravenous in rabbit: 60mg/kg |
946f - Introduction
2,3-dihydro-1, is an organic compound with the molecular formula C9H11NO2, and its structure consists of an aromatic ring and a nitrogen-containing methylamine group.
The compound has some important properties. First of all, it is a colorless to pale yellow solid and has a special smell. Its melting point is about 49-52°C. It is readily soluble in polar solvents such as alcohols and ethers, but insoluble in non-polar solvents such as petroleum ether and alkanes.
2,3-dihydro-1, has certain application value in medicine and chemical research. One important use is as an intermediate for the synthesis of more complex compounds or drugs. Due to the presence of its aromatic ring and nitrogen-containing methylamine groups, it can participate in a variety of organic reactions, such as alkylation, electrophilic substitution and nitridation reactions.
There are various methods for preparing 2,3-dihydro-1. One common method is reduction by a reaction between nitrosobenzaldehyde and acetone to give the target compound. The specific reaction conditions can be adjusted according to actual needs.
When using 2,3-dihydro-1, you need to pay attention to its safety. It is a potentially toxic compound and contact with skin, eyes and inhalation of its vapors should be avoided. Wear appropriate protective equipment such as lab gloves, goggles and respirators when using or handling the compound. In addition, the operation should be carried out in a well-ventilated place to avoid contact with flammable substances. When stored, it should be kept in a sealed container, away from fire and oxidizing agents.
Last Update:2024-04-09 21:04:16