ペンタエリトリトール
ペンタエリトリトール · テトラオキシテトラメチルメタン · 2,2-ビス(ヒドロキシメチル)プロパン-1,3-ジオール · オーキシヌトリル · (メタンテトライル)テトラキスメタノール · モノペンテック · 2,2-ビス(ヒドロキシメチル)-1,3-プロパンジオール · ペンテック

識別子と物理属性
| CAS No. | 115-77-5 |
|---|---|
| 分子式 | C5H12O4 |
| 平均分子量 | 136.15 g/mol |
| 単同位体質量 | 136.07355886 g/mol |
| SMILES | OCC(CO)(CO)CO |
| InChIKey | WXZMFSXDPGVJKK-UHFFFAOYSA-N |
| PubChem CID | 8285 |
| ChEMBL | CHEMBL3186112 |
| ChEBI | CHEBI:134760 |
| EC No. | 204-104-9 |
| DTXSID | DTXSID2026943 |
| 現地名 | ペンタエリトリトール |
化学・物理的性質
| XLogP | -2.4 |
|---|---|
| 極性表面積 | 80.9 |
| 水素結合供与体数 | 4 |
| 水素結合受容体数 | 4 |
| 回転可能結合数 | 4 |
| 重原子数 | 9 |
| 形式電荷 | 0 |
| 複雑度 | 51.8 |
| Polymers | Other Classes -> Alcohols and Polyols, Other |
| SpringerMaterials Properties | Curie constant |
| LogP(分配係数) | log Kow = -1.69 |
| 臭い | Odorless無臭 |
| 密度 | 1.39 at 77 °F (USCG, 1999) - Denser than waterwill sink1.399 at 25 °C/4 °CRelative density (water = 1): 1.41.381.55 @25 °C1.396 |
| Color/Form | Ditetragonal crystals from dilute hydrochloric acidWhite, crystalline powderColorless to white, crystalline powder [Note: Technical grade is 88% monopentaerythritol & 12% dipentaerythritol]. |
| 溶解度 | 6 % at 59 °F (NIOSH, 2024)Insoluble in ethyl ether, benzeneSoluble in ethanol, glycerol, ethylene glycol, formamide. Insoluble in acetone, benzene, paraffin, ether, carbon tetrachloride1 gram dissolves in 18 mL water at 15 °CSlightly soluble in alcoholinsoluble in benzene, ether, carbon tetrachloride and petroleum etherIn water, 72,300 mg/L at 25 °CH2O: 0.1 g/mL 無色透明1g/18mL(15℃) |
| 引火点 | About 240 °C (open cup)240 °C o.c. |
| 沸点 | Sublimes (NIOSH, 2024)BP: 276 °C at 30 mm Hgat 4kPa: 276 °C276 °C/30 mmHg (lit.) |
| Decomposition | When heated to decomposition it emits acrid smoke and irritating fumes. |
| 融点 | 502 °F (USCG, 1999)258 °C260 °C500 °F (sublimes)253-258 °C (lit.) |
| 蒸気密度 | Relative vapor density (air = 1): 4.7 |
| 蒸気圧 | <1 mm Hg ( 20 °C) |
| 屈折率 | 1.548 |
| 貯蔵条件 | Store below +30°C. |
| 外観・状態 | クリスタル |
| pKa(酸解離定数) | 13.55±0.10(Predicted) |
| 色 | 白い |
| pH | 3.5-4.5 (100g/l, H2O, 35℃) |
| Merck | 14,7111 |
| BRN | 1679274 |
| ヘンリー定数 | 7.3×1010 mol/(m3Pa) at 25℃, Burkholder et al. (2019) |
| 安定性 | 安定。強酸、強酸化剤、酸塩化物、酸無水物とは相容れない。可燃性。 |
| 化粧品成分の機能 | スキンコンディショニング保湿剤 |
| InChI | 1S/C5H12O4/c6-1-5(2-7,3-8)4-9/h6-9H,1-4H2 |
| InChIKey | WXZMFSXDPGVJKK-UHFFFAOYSA-N |
| SMILES | OCC(CO)(CO)CO |
| LogP(分配係数) | -1.7 at 22℃ |
| CAS データベース | 115-77-5(CAS DataBase Reference) |
| NISTの化学物質情報 | 1,3-Propanediol, 2,2-bis(hydroxymethyl)-(115-77-5) |
| EPAの化学物質情報 | Pentaerythritol (115-77-5) |
化学的特性
Pentaerythritol is a white crystalline solid. Odorless.
化学性质
多価アルコールの一つで,アルキド樹脂の合成に用いられる。
安全性と法規制
| GHS 分類 | This chemical does not meet GHS hazard criteria for 99.4% (995 of 1001) of all reports.Not ClassifiedAggregated GHS information provided per 1001 reports by companies from 5 notifications to the ECHA C&L Inventory.H412 (100%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]P273, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory. |
|---|---|
| 規制情報 | Chemical: 1,3-Propanediol, 2,2-bis(hydroxymethyl)-1,3-Propanediol, 2,2-bis(hydroxymethyl)- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1,3-Propanediol, 2,2-bis(hydroxymethyl)- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 02-05-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/15344Pentaerythritol: Does not have an individual approval but may be used under an appropriate group standard |
| その他の安全情報 | IMAP assessments - 1,3-Propanediol, 2,2-bis(hydroxymethyl)-: Human health tier I assessment |
| 火災危険 | Combustible. Finely dispersed particles form explosive mixtures in air. |
| 火災の可能性 | Flammable from heat or flame or oxidizers. |
| 健康有害性 | Non-toxicno symptoms likely (USCG, 1999) |
| 有害性の概要 | TLV Basis is gastrointestinal irritationRats survived doses up to 16 g/kgSigns of toxicity in lethal oral doses studies are diarrhea, tremors, and ataxiaNo adverse effects in rats, dogs, and guinea pigs exposed to dust for 6 hours/day for 90 days at 8000 mg/m3In human volunteers, 85% of dose eliminated in the urine unchanged within 30 hours[ACGIH] |
| 反応性グループ | Alcohols and Polyols |
| Special Reports | European Commission, ESISIUCLID Dataset, Pentaerythritol (115-77-5) (2000 CD-ROM edition) contains information on use, toxicology, and environmental effects of this chemical as supplied to the European Union by industry.[Available from, as of February 18, 2010: http://esis.jrc.ec.europa.eu/] |
用途
解説
ペンタエリトリトール,生成物は減圧昇華または希塩酸から再結晶する.融点260 ℃.水に易溶,有機溶媒に難溶.アルキド樹脂,乾性油塗料,爆薬ペントリット(四硝酸エステル)の製造に用いられる.森北出版「化学辞典(第2版)
用途
可塑剤、安定剤
用途
有機合成原料(樹脂、可塑剤、界面活性剤、化粧品)。
用途
ノイライザーP(ペンタエリスリトール)は塩化ビニル樹脂安定剤に使用されています。
使用
In the manufacture of pentaerythritol tetranitrate; alkyd resins in surface-coating compositions; pentaerythritol triacrylate and protective coatings; insecticides; pharmaceuticals
一般的な説明
Odorless white solid. Sinks and mixes slowly with water.
製法・合成法
合成方法
ホルムアルデヒドとアセトアルデヒド的アルドール反応とCannizzaro反応
純化方法
Reflux pentaerythritol with an equal volume of MeOH, then cool, and the precipitate is collected and dried at 90o. It can also be crystallised from dilute aqueous HCl. After sublimation under high vacuum at 200o it has m 265.5o. Its solubility in H2O is 10%. [Beilstein 18 III 2361, 1 IV 2812.]