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| CAS号 : | 2440-60-0 |
精确质量 : | 74.04800 |
| 分子式 : | C2H6N2O |
logP : | 0.32630 |
| 分子量 : | 74.08180 |
PSA : | 59.10000 |
O-甲基异脲 | |
methyl carbamimidate | |
2440-60-0 | |
C2H6N2O | |
74.08180 | |
59.10000 | |
0.32630 | |
74.04800 |
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白色晶体
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148mmHg at 25°C
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1.17 g/cm3
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66.9ºC at 760 mmHg
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2925290090
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HS:2925290090.Other Imines and their derivatives; salts thereof |
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品名, 成分含量, 用途 |
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2925290090 其他亚胺及其衍生物,以及它们的盐。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0% |
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2925290090 other imines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
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HS:2925290090.Other Imines and their derivatives; salts thereof. General tariff:6.5% |
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1.由尿素与硫酸二甲酯反应而得。将硫酸二甲酯投入干燥的反应锅中,搅拌加热至40℃,再投入干燥的尿素,温度自然升至60℃左右,保温反应3h,即得成品。 | |
1.O-甲基异脲用于合成有机磷杀虫剂嘧啶氧磷的中间体2-甲氧基-4-甲基-6-羟基嘧啶和杀虫剂嘧啶磷的中间体,医药上用于生产抗肿瘤药氟尿嘧啶。 |