Cas：868-77-9
中文名称：甲基丙烯酸羟乙酯
英文名称：甲基丙烯酸羟乙酯
SMILES：CC(=C)C(=O)OCCO
EINECS：212-782-2
MDL：MFCD00002863
中文同义名：
甲基丙烯酸2-羟乙酯; 乙二醇单甲基丙烯酸酯; 2-羟基乙基-2-甲基-2-丙烯酸酯; α-甲基丙烯酸-2-羟乙基酯; 甲基丙烯酸-2-羟基乙酯; 甲基丙烯酸-2-羟乙酯; 甲基丙烯酸羟乙酯; (2-羟乙基)甲基丙烯酸酯;
英文同义名：
1,2-Ethanediol, mono(2-methyl)-2-propenoate-; 2-(Methacryloyloxy)ethanol; 2-Hydroxyethyl 2-methylacrylate; 2-Hydroxyethyl-2-methyl-2-propenoate; 2-Methyl-2-propenoic acid, 2-hydroxyethyl ester; 2-methyl-2-propenoicaci2-hydroxyethylester; 2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester; 2-Propenoicacid,2-methyl-,2-hydroxyethylester;
熔点：-12 °C
沸点：67 °C3.5 mm Hg(lit.)<br>
闪点：207 °F<br>
折射率：<i>n</i><frac type="vertical">20/D</frac> 1.453(lit.)<br>
敏感性：Air Sensitive
密度：1.073 g/mL at 25 °C(lit.)<br>
性状：Liquid
存储条件：2-8°C<br>
| 货号 | 纯度 | 规格/包装 | 货期 | 市场价 | 更新日期 |
|---|---|---|---|---|---|
| 品牌：TCI | |||||
| M0085 | >95.0%(GC) | 25g | 国内现货 | 175.00 | 2024-01-22 |
| M0085 | >95.0%(GC) | 500g | 国内现货 | 360.00 | 2024-01-22 |
| M0085 | 95.0% | 25g | 国内现货 | 175.00 | 2024-04-25 |
| M0085 | 95.0% | 500g | 国内现货 | 360.00 | 2024-04-25 |
| 品牌：Aladdin | |||||
| H103044-100g | 96%,含250ppmMEHQ稳定剂 | 100g | 国内现货 | 46.90 | 2024-04-22 |
| H103044-25g | 96%,含250ppmMEHQ稳定剂 | 25g | 国内现货 | 38.90 | 2024-04-25 |
| H103044-500g | 96%,含250ppmMEHQ稳定剂 | 500g | 国内现货 | 145.90 | 2024-04-02 |
| H140643-100ml | 99%,无水级,含稳定剂200ppm MEHQ,水≤0.1% | 100ml | 国内现货 | 379.90 | 2024-04-25 |
| H140643-1L | 99%,无水级,含稳定剂200ppm MEHQ,水≤0.1% | 1L | 国内现货 | 1133.90 | 2024-04-25 |
| H140643-500ml | 99%,无水级,含稳定剂200ppm MEHQ,水≤0.1% | 500ml | 国内现货 | 791.90 | 2024-04-25 |
| H140644-100ml | 99%,无水级,含分子筛,含稳定剂200ppm MEHQ,水≤50ppm | 100ml | 国内现货 | 587.90 | 2024-04-25 |
| H140644-1L | 99%,无水级,含分子筛,含稳定剂200ppm MEHQ,水≤50ppm | 1L | 国内现货 | 1078.90 | 2024-04-25 |
| H140644-500ml | 99%,无水级,含分子筛,含稳定剂200ppm MEHQ,水≤50ppm | 500ml | 国内现货 | 926.90 | 2024-04-25 |
| H434293-250ml | （用对苯二酚单甲醚稳定）用于合成 | 250ml | 国内现货 | 386.90 | 2024-04-25 |
| H434293-2.5L | （用对苯二酚单甲醚稳定）用于合成 | 2.5L | 国内现货 | 840.90 | 2024-04-25 |
| 品牌：D-Chem | |||||
| DC14361 | ≥98% | 100ml | 国内现货 | 245.00 | 2024-04-25 |
| DC14361 | ≥98% | 500ml | 国内现货 | 582.00 | 2024-04-25 |
| DC14361 | ≥98% | 25ml | 国内现货 | 23.00 | 2024-04-25 |
| 品牌：罗恩 | |||||
| R003879-100g | 甲基丙烯酸羟乙酯,96% | 100g | 国内现货 | 36.00 | 2024-04-25 |
| R003879-500g | 甲基丙烯酸羟乙酯,96% | 500g | 国内现货 | 115.00 | 2024-04-25 |
| R003879-5kg | 甲基丙烯酸羟乙酯,96% | 5kg | 国内现货 | 659.00 | 2024-04-25 |
| R015602-100ml | 甲基丙烯酸羟乙酯,RhawnSeal,99%,Water≤50 ppm,分子筛,含稳定剂200ppm MEHQ | 100ml | 国内现货 | 354.00 | 2024-04-25 |
| R003879-100g | 96% | 100g | 国内现货 | 41.00 | 2023-08-05 |
| R003879-500g | 96% | 500g | 国内现货 | 133.00 | 2023-08-05 |
| R003879-5kg | 96% | 5kg | 国内现货 | 756.00 | 2023-08-05 |
| R003879-2.5kg | 甲基丙烯酸羟乙酯,96% | 2.5kg | 国内现货 | 453.00 | 2024-04-25 |
| 品牌：毕得医药 | |||||
| BD22916 | 97% (stabilized with MEHQ) | 25g | 国内现货 | 23.00 | 2024-04-25 |
| BD22916 | 97% (stabilized with MEHQ) | 100g | 国内现货 | 28.00 | 2024-04-25 |
| BD22916 | 97% (stabilized with MEHQ) | 500g | 国内现货 | 53.00 | 2024-04-25 |
| BD22916 | 97% (stabilized with MEHQ) | 1000g | 国内现货 | 99.00 | 2024-04-25 |
| BD22916 | 97% (stabilized with MEHQ) | 5000g | 国内现货 | 468.00 | 2024-04-25 |
| BD22916 | 97% (stabilized with MEHQ) | 25000g | 国内现货 | 1404.00 | 2024-04-25 |
| 品牌：Meryer | |||||
| M28302 | 96%,含250ppmMEHQ稳定剂 甲基丙烯酸羟乙酯 | 100g | 国内现货 | 61.00 | 2023-04-14 |
| B20036 | 98% 甲基丙烯酸羟乙酯 | 500g | 国内现货 | 107.00 | 2023-04-14 |
| B20036 | 98% 甲基丙烯酸羟乙酯 | 100g | 国内现货 | 59.00 | 2023-04-14 |
| M28302 | 96%,含250ppmMEHQ稳定剂 甲基丙烯酸羟乙酯 | 500g | 国内现货 | 94.00 | 2023-04-14 |
| M84193 | 99%,stabilized with 100ppm MEHQ,Water≤50 ppm (by K.F.),SafeSeal 甲基丙烯酸羟乙酯 | 1L | 国内现货 | 836.00 | 2023-04-14 |
| M28302 | 96%,含250ppmMEHQ稳定剂 甲基丙烯酸羟乙酯 | 5kg | 国内现货 | 386.00 | 2023-04-14 |
| M33623 | 96% 2-羟基乙基甲基丙烯酸酯,含100ppm MEHQ稳定剂,含分子筛,H20≤50 ppm(by K.F.) | 500ml | 国内现货 | 544.00 | 2023-04-14 |
| M33622 | 96% 2-羟基乙基甲基丙烯酸酯,含100ppm MEHQ稳定剂,H20≤50 ppm(by K.F.) | 100ml | 国内现货 | 229.00 | 2023-04-14 |
| M28302 | 96%,含250ppmMEHQ稳定剂 | 100g | 国内现货 | 42.00 | 2023-08-01 |
| M28302 | 96%,含250ppmMEHQ稳定剂 | 500g | 国内现货 | 94.00 | 2023-08-01 |
| M28302 | 96%,含250ppmMEHQ稳定剂 | 5kg | 国内现货 | 631.00 | 2023-08-01 |
| M33622 | 96% | 100ml | 国内现货 | 229.00 | 2023-06-19 |
| M33623 | 96% | 500ml | 国内现货 | 544.00 | 2023-06-19 |
| B20036 | 98% | 100g | 国内现货 | 59.00 | 2023-08-01 |
| B20036 | 98% | 500g | 国内现货 | 107.00 | 2023-08-01 |
| M84193 | 99%,stabilized with 100ppm MEHQ,Water≤50 ppm (by K.F.),SafeSeal | 1L | 国内现货 | 836.00 | 2023-08-01 |
| M33622 | 96%,SafeSeal | 100ml | 国内现货 | 229.00 | 2023-08-01 |
| M33623 | 96%,SafeSeal | 500ml | 国内现货 | 544.00 | 2023-08-01 |
| M28302 | 96%,含250ppmMEHQ稳定剂 | 2.5kg | 国内现货 | 378.00 | 2023-08-01 |
| 品牌：笛柏 | |||||
| K221002 | ≥98% | 100ml | 国内现货 | 35.00 | 2024-04-25 |
| K221002 | ≥98% | 500ml | 国内现货 | 85.00 | 2024-04-25 |
| K221002 | ≥98% | 25ml | 国内现货 | 27.00 | 2024-04-25 |
| 品牌：源叶生物 | |||||
| S24381-100g | BR，96% | 100g | 国内现货 | 50.00 | 2024-04-25 |
| S24381-500g | BR，96% | 500g | 国内现货 | 140.00 | 2024-04-25 |
| S24381-25g | BR，96% | 25g | 国内现货 | 30.00 | 2024-04-25 |
| 品牌：希恩思 | |||||
| H-00979-100g | 95%(含稳定剂甲氧基氢醌) 甲基丙烯酸-2-羟基乙酯 | 100g | 国内现货 | 27.00 | 2024-04-25 |
| H-00979-500g | 95%(含稳定剂甲氧基氢醌) 甲基丙烯酸-2-羟基乙酯 | 500g | 国内现货 | 52.00 | 2024-04-25 |
| H-00979-1000g | 99%(含稳定剂甲氧基氢醌) 甲基丙烯酸-2-羟基乙酯 | 1000g | 国内现货 | 98.00 | 2024-04-25 |
| H-00979-2500g | 99%(含稳定剂甲氧基氢醌) 甲基丙烯酸-2-羟基乙酯 | 2500g | 国内现货 | 238.00 | 2024-04-25 |
| 品牌：麦克林 | |||||
| H810855 | 甲基丙烯酸羟乙酯,96%,含250ppmMEHQ稳定剂 | 100g | 国内现货 | 37.00 | 2024-04-25 |
| H810855 | 甲基丙烯酸羟乙酯,96%,含250ppmMEHQ稳定剂 | 500g | 国内现货 | 120.00 | 2024-04-25 |
| H810855 | 甲基丙烯酸羟乙酯,96%,含250ppmMEHQ稳定剂 | 2.5kg | 国内现货 | 411.00 | 2024-04-25 |
| H810855 | 甲基丙烯酸羟乙酯,96%,含250ppmMEHQ稳定剂 | 5kg | 国内现货 | 686.00 | 2024-04-25 |
| 品牌：吉至Acmec | |||||
| H72340-500g | 96%,stabilized with 250ppm MEHQ | 500g | 国内现货 | 118.00 | 2023-07-16 |
| H72340-100g | 96%,stabilized with 250ppm MEHQ | 100g | 国内现货 | 48.00 | 2023-07-16 |
| H72340-1kg | 96%,stabilized with 250ppm MEHQ | 1kg | 国内现货 | 148.00 | 2023-07-16 |
| H72340-25g | 96%,stabilized with 250ppm MEHQ | 25g | 国内现货 | 28.00 | 2023-07-16 |
| 品牌：毕佳索 | |||||
| BJS7893000 | 97% (stabilized with MEHQ) | 25g | 国内现货 | 48.00 | 2024-04-25 |
| BJS7893000 | 97% (stabilized with MEHQ) | 100g | 国内现货 | 59.00 | 2024-04-25 |
| BJS7893000 | 97% (stabilized with MEHQ) | 500g | 国内现货 | 111.00 | 2024-04-25 |
| BJS7893000 | 97% (stabilized with MEHQ) | 1000g | 国内现货 | 208.00 | 2024-04-25 |
| BJS7893000 | 97% (stabilized with MEHQ) | 5000g | 国内现货 | 983.00 | 2024-04-25 |
| BJS7893000 | 97% (stabilized with MEHQ) | 25000g | 国内现货 | 2948.00 | 2024-04-25 |
| 品牌：Acros | |||||
| 156330010 | 1kg | 国内现货 | 1204.00 | 2024-04-25 | |
| 156332500 | 250g | 国内现货 | 463.00 | 2024-04-25 | |
| 156335000 | 500g | 国内现货 | 667.00 | 2024-04-25 | |
| 品牌：innochem | |||||
| A69527 | 96%,含250ppmMEHQ稳定剂 | 100g | 国内现货 | 38.00 | 2024-04-25 |
| A69527 | 96%,含250ppmMEHQ稳定剂 | 500g | 国内现货 | 99.00 | 2024-04-25 |
| A87152 | 99.00% | 1L | 国内现货 | 680.00 | 2024-04-25 |
| 品牌：Sigma-Aldrich | |||||
| 477028 | ≥99%, contains ≤50ppm monomethyl ether hydroquinone as inhibitor ;2-羟基乙基甲基丙烯酸酯(Sigma-Aldrich) | 100ml | 国内现货 | 954.40 | 2024-04-25 |
| 477028 | ≥99%, contains ≤50ppm monomethyl ether hydroquinone as inhibitor ;2-羟基乙基甲基丙烯酸酯(Sigma-Aldrich) | 25ml | 国内现货 | 718.02 | 2024-04-25 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯(Sigma-Aldrich) | 18kg | 国内现货 | 5508.87 | 2024-04-22 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯(Sigma-Aldrich) | 500g | 国内现货 | 635.67 | 2024-04-25 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯(Sigma-Aldrich) | 1kg | 国内现货 | 747.83 | 2024-04-25 |
| 17348 | embedding medium (for microscopy) ;2-羟基乙基甲基丙烯酸酯(Sigma-Aldrich) | 250ml | 国内现货 | 1243.53 | 2024-04-25 |
| 477028 | ≥99%, contains ≤50ppm monomethyl ether hydroquinone as inhibitor ;2-羟基乙基甲基丙烯酸酯 | 25ml | 国内现货 | 718.02 | 2024-04-25 |
| 477028 | ≥99%, contains ≤50ppm monomethyl ether hydroquinone as inhibitor ;2-羟基乙基甲基丙烯酸酯 | 100ml | 国内现货 | 954.40 | 2024-04-25 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯 | 18kg | 国内现货 | 5508.87 | 2024-04-22 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯 | 500g | 国内现货 | 635.67 | 2024-04-25 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯 | 1kg | 国内现货 | 747.83 | 2024-04-25 |
| 17348 | embedding medium (for microscopy) ;2-羟基乙基甲基丙烯酸酯 | 250ml | 国内现货 | 1243.53 | 2024-04-25 |
| 品牌：J&K | |||||
| 225147 | 2-Hydroxyethyl methacrylate, 98%, stabilized with 200 ppm MEHQ 98% (J&K) | 250g | 国内现货 | 173.00 | 2024-04-25 |
| 225147 | 2-Hydroxyethyl methacrylate, 98%, stabilized with 200 ppm MEHQ 98% (J&K) | 1kg | 国内现货 | 539.00 | 2024-04-25 |
| 225147 | 2-Hydroxyethyl methacrylate, 98%, stabilized with 200 ppm MEHQ 98% (J&K) | 5kg | 国内现货 | 2271.00 | 2024-04-25 |
| 969669 | 2-Hydroxyethyl methacrylate, 98%, stabilized with 200 ppm MEHQ, ＜20 APHA 98% (J&K) | 5kg | 国内现货 | 2295.00 | 2024-04-25 |
| 969669 | 2-Hydroxyethyl methacrylate, 98%, stabilized with 200 ppm MEHQ, ＜20 APHA 98% (J&K) | 1kg | 国内现货 | 549.00 | 2024-04-25 |
| 品牌：西亚试剂 | |||||
| A16708-500ml | ≥98.0% | 500ml | 国内现货 | 116.00 | 2023-05-21 |
| A16708-500ml | 甲基丙烯酸羟乙酯,≥98.0% | 500ml | 国内现货 | 116.00 | 2023-08-23 |
| 品牌：凯为化学 | |||||
| JZ003IFM | 97% (stabilized with MEHQ) | 500g | 国内现货 | 51.00 | 2024-04-25 |
| JZ003IFM | 97% (stabilized with MEHQ) | 500g | 国内现货 | 51.00 | 2024-04-25 |
| JZ003IFM | 97% (stabilized with MEHQ) | 1kg | 国内现货 | 95.00 | 2024-04-25 |
| JZ003IFM | 97% (stabilized with MEHQ) | 1kg | 国内现货 | 95.00 | 2024-04-25 |
| 品牌：King Scientific | |||||
| AB62358 | 97% | 5g | 国内现货 | 345.00 | 2024-04-25 |
| AB62358 | 97% | 25g | 国内现货 | 476.00 | 2024-04-25 |
| AB62358 | 97% | 100g | 国内现货 | 870.00 | 2024-04-25 |
| AB62358 | 97% | 500g | 国内现货 | 2182.00 | 2024-04-25 |
| AB62358 | 5g | 国内现货 | 332.00 | 2024-04-02 | |
| AB62358 | 25g | 国内现货 | 476.00 | 2024-04-02 | |
| AB62358 | 100g | 国内现货 | 883.00 | 2024-04-02 | |
| AB62358 | 500g | 国内现货 | 2261.00 | 2024-04-02 | |
| 品牌：Adamas | |||||
| 87221O | 97%+,stabilized with MEHQ;RG | 25kg | 国内现货 | 1402.00 | 2024-04-25 |
| 87221M | 97%+,stabilized with MEHQ;RG | 2.5kg | 国内现货 | 198.00 | 2024-04-25 |
| 87221C | 97%+,stabilized with MEHQ;RG | 100g | 国内现货 | 26.00 | 2024-04-25 |
| 87221D | 97%+,stabilized with MEHQ;RG | 500g | 国内现货 | 50.00 | 2024-04-25 |
| 87221R | 99.6%，stabilized with 10ppm MEHQ, from Mitsubishi;RG | 2.5kg | 国内现货 | 2900.00 | 2024-04-25 |
| 87221P | 99.6%，stabilized with 10ppm MEHQ, from Mitsubishi;RG | 100g | 国内现货 | 225.00 | 2024-04-15 |
| 87221Q | 99.6%，stabilized with 10ppm MEHQ, from Mitsubishi;RG | 500g | 国内现货 | 810.00 | 2024-04-25 |
| 87221E | Water≤50 ppm(by K.F.)，99.0%，SafeDry，with molecular sieves，stabilized with 100ppm MEHQ，Safeseal;SafeDry,超干 | 100ml | 国内现货 | 189.00 | 2024-04-22 |
| 品牌：Aldrich | |||||
| 17348 | embedding medium (for microscopy) ;2-羟基乙基甲基丙烯酸酯(Aldrich) | 250ml | 国内现货 | 1243.53 | 2024-02-26 |
| 477028 | ≥99%, contains ≤50ppm monomethyl ether hydroquinone as inhibitor ;2-羟基乙基甲基丙烯酸酯(Aldrich) | 25ml | 国内现货 | 718.02 | 2024-02-26 |
| 477028 | ≥99%, contains ≤50ppm monomethyl ether hydroquinone as inhibitor ;2-羟基乙基甲基丙烯酸酯(Aldrich) | 100ml | 国内现货 | 954.40 | 2024-02-26 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯(Aldrich) | 18kg | 国内现货 | 5508.87 | 2024-02-26 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯(Aldrich) | 500g | 国内现货 | 635.67 | 2024-02-26 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯(Aldrich) | 1kg | 国内现货 | 747.83 | 2024-02-26 |
| 477028 | ≥99%, contains ≤50ppm monomethyl ether hydroquinone as inhibitor ;2-羟基乙基甲基丙烯酸酯 | 25ml | 国内现货 | 718.02 | 2024-03-25 |
| 477028 | ≥99%, contains ≤50ppm monomethyl ether hydroquinone as inhibitor ;2-羟基乙基甲基丙烯酸酯 | 100ml | 国内现货 | 954.40 | 2024-03-25 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯 | 1kg | 国内现货 | 747.83 | 2024-03-25 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯 | 500g | 国内现货 | 635.67 | 2024-03-25 |
| 128635 | contains ≤250ppm monomethyl ether hydroquinone as inhibitor, 97% ;2-羟基乙基甲基丙烯酸酯 | 18kg | 国内现货 | 5508.87 | 2024-03-25 |
| 17348 | embedding medium (for microscopy) ;2-羟基乙基甲基丙烯酸酯 | 250ml | 国内现货 | 1243.53 | 2024-03-25 |
| 品牌：玛雅试剂 | |||||
| 87221-19672 | 96%,含MEHQ稳定剂 | 100g | 国内现货 | 30.00 | 2024-04-25 |
| 87221 | 96%,含MEHQ稳定剂 | 100g | 国内现货 | 30.00 | 2024-04-22 |
| 品牌：沃凯 | |||||
| A44473-100g | 96% | 100g | 国内现货 | 57.00 | 2024-04-25 |
| A44473-500g | 96% | 500g | 国内现货 | 128.00 | 2024-04-25 |
| 品牌：安耐吉 | |||||
| A020714 | 98% (stabilized with MEHQ) | 25g | 国内现货 | 25.00 | 2024-04-25 |
| A020714 | 98% (stabilized with MEHQ) | 100g | 国内现货 | 36.00 | 2024-04-25 |
| A020714 | 98% (stabilized with MEHQ) | 200g | 国内现货 | 68.00 | 2024-04-25 |
| A020714 | 98% (stabilized with MEHQ) | 500g | 国内现货 | 82.00 | 2024-04-25 |
| W330058 | 97%(stabilized with TBC) | 25ml | 国内现货 | 20.00 | 2024-04-25 |
| W330058 | 97%(stabilized with TBC) | 100ml | 国内现货 | 31.00 | 2024-04-25 |
| W330058 | 97%(stabilized with TBC) | 500ml | 国内现货 | 54.00 | 2024-04-25 |
| 品牌：乐研 | |||||
| 1045204 | 97% (stabilized with MEHQ) | 1kg | 国内现货 | 99.00 | 2024-04-25 |
| 1045204 | 97% (stabilized with MEHQ) | 500g | 国内现货 | 53.00 | 2024-04-25 |
| 品牌：星菲化学 | |||||
| XFE0936-100mL | ≥95% | 100ml | 国内现货 | 64.00 | 2024-04-10 |
| XFE0936-500mL | ≥95% | 500ml | 国内现货 | 268.00 | 2024-04-10 |
| XFE0936-100mL | ≥95% | 100ml | 国内现货 | 64.00 | 2024-04-25 |
| XFE0936-500mL | ≥95% | 500ml | 国内现货 | 268.00 | 2024-04-25 |
| 品牌：坛墨质检/TMstandard | |||||
| 717137-100mg | ≥95.0% | 100mg | 国内现货 | 150.00 | 2099-12-31 |
