二甲基-Β- 丙酸噻亭(DMPT或DMSP)
Carboxyethyldimethylsulfoniumchloride
CAS: 4337-33-1
Molecular Formula: C5H11ClO2S
二甲基-Β- 丙酸噻亭(DMPT或DMSP) - Names and Identifiers
| Name | Carboxyethyldimethylsulfoniumchloride |
| Synonyms | DMSP DMPT DIMETHYL-BETA-PROPIOTHETIN Dimethylsulfoniopropionate DIMETHYLSULFONYL PROPIONATE Carboxyethyldimethylsulfoniumchloride s,s-Dimethyl-β-propionic acid thetine (2-Carboxyethyl)dimethylsulfonium chloride (2-CARBOXYETHYL)DIMETHYLSULFONIUM CHLORIDE |
| CAS | 4337-33-1 |
| EINECS | 201-081-7 |
| InChI | InChI=1/C5H10O2S.ClH/c1-8(2)4-3-5(6)7;/h3-4H2,1-2H3;1H |
| InChIKey | RRUMKKGRKSSZKY-UHFFFAOYSA-N |
二甲基-Β- 丙酸噻亭(DMPT或DMSP) - Physico-chemical Properties
| Molecular Formula | C5H11ClO2S |
| Molar Mass | 170.66 |
| Melting Point | 129 °C |
| Solubility | DMSO (Slightly), Methanol (Slightly), Water (Slightly) |
| Appearance | Solid |
| Color | White to Off-White |
| Storage Condition | Inert atmosphere,2-8°C |
| MDL | MFCD00142888 |
二甲基-Β- 丙酸噻亭(DMPT或DMSP) - Reference Information
| use | DMPT is the fourth generation aquatic food attractant with the best effect found so far. some people use "fish biting stones" to vividly describe its food attractant effect-even if this kind of thing is painted on the stone, the fish will gnaw the stone. The most typical use of DMPT is to be used as a bait for fishing, to improve the bait's appetite and make fish easy to bite. The industrial use of DMPT is as a green aquatic feed additive to promote aquatic animals to feed and improve their growth rate. Used as aquatic feed attractant |
| Main effects | S,S-dimethyl-β-propionic acid tiazide has different degrees of growth and feeding of a variety of sea and freshwater fish and long-armed shrimps Promote the fish's resistance to adverse environments, add low-concentration S,S-dimethyl-β-propionic acid tiazide in the compound feed, can improve the utilization rate of bait. It can be used as a yellow catfish attractant to improve feed utilization. According to parts by weight, the raw materials include: black rice 1-12 parts, taurine 1-15 parts, glycine 1-12 parts, hawthorn 1-15 parts, glutamic acid 1-12 parts, S-S-dimethyl-β-propionate 5-20 parts, purslane 1-12 parts, flour 40-80 parts, Cajayside 5-20 parts, garlic 1-12 parts, alanine 1-12 parts, fennel 1-8 parts. The food attractant is made of black rice, hawthorn, purslane, garlic, fennel, taurine, glycine, glutamic acid, S-S-dimethyl-β-propionate, flour, kaha glycoside, Alanine is combined to induce food, promote the feeding of yellow fish, improve feed utilization, reduce costs, reduce water pollution, easy to use, non-toxic effect, improve the bad smell in the feed, and improve the palatability of the feed, promote the digestion and absorption of artificial feed by yellow fish. In addition, S,S-dimethyl-β-propionate can also be used to prepare a gel-like dog food. The preparation scheme is as follows: 35-45 parts of animal meat, 20-30 parts of starch, 5-10 parts of vegetable powder, 5-10 parts of shrimp shell powder, 0.5-1.5 parts of functional attractant, 0.5-1.3 parts of salt, 0.4-1.2 parts of multivitamin are mixed evenly for later use. Mix the molding agent with water to make a gel, then add the premixed raw materials, and heat to 75-85 ℃ for sterilization for 2min after mixing evenly. Pour the sterilized gel-like dog food into a cylindrical plastic bag and seal both ends. In parts by weight, the raw materials contained in the functional attractant are: 5-10 parts of glutamine, 0.5-2 parts of S, S-dimethyl-β-propionate, 0.01-0.1 parts of 1,2-O-isopropylidene-D-furanose, 0.01-0.1 parts of L-2-pyrrolidone -5-carboxylic acid, 5-8 parts of rosehip extract and 100 parts of corn starch. The molding agent may be sodium carboxymethyl cellulose or xanthan gum or pectin or a mixture of these. The dog food does not add any preservatives, the ingredients are natural and healthy, and the dog food is made into a semi-dry gel with a molding agent, which is sealed in a cylindrical plastic bag. When feeding, the plastic bag can be directly fed, which is convenient and hygienic. |
| Preparation | Natural extraction method The earliest dimethyl-β-propionate thiotene is a pure natural compound extracted from seaweed. In fact, the process of discovering dimethyl-β-propionate thiotene also started from seaweed: Scientists observed and found that marine fishes love to eat seaweed, so they began to study the attractants in seaweed, later, it was discovered that the reason why fish like to eat seaweed is that seaweed contains natural DMPT. Chemical synthesis method Due to the high cost and low purity of the natural extraction method to produce dimethyl-β-propionate thiotene, which is not convenient for industrialization, scientists have developed artificial synthesis of dimethyl-based on the structure of natural DMPT. The method of β-propionate thiotene enables the large-scale application of dimethyl-β-propionate thiotene to be realized. Synthesis method 1: Dimethyl sulfide and 3-bromopropionic acid react in a solvent to obtain dimethyl-β-propionic acid thiotene hydrobromide. Due to the high price of 3-bromopropionic acid, The cost of dimethyl-β-propionic acid synthesized by this method is too high to be accepted by consumers. Synthesis method 2: Dimethyl sulfide reacts with 3-chloropropionic acid in a solvent to obtain dimethyl-β-propionic acid thiotene hydrochloride. Because the reactivity of 3-chloropropionic acid is relatively low, although Its purchase price is lower than 3-bromopropionic acid, but the reaction yield is also low, and the synthesis cost is still very high. synthesis method 3: after three years of hard research, chemical experts of Beijing greenfucheng technology co., ltd. finally developed a new synthesis route in 2005, which greatly reduced the production cost of dimethyl-β-propionate (the sales price is only 1/3 of the traditional method), and obtained the national invention patent (patent authorization number ZL200510108680.X) in 2007, patent name "Dialkyl-β-propionic acid thiotene hydrohalide and carboxylate preparation method"). |
Last Update：2024-04-09 19:05:12
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View History
二甲基-Β- 丙酸噻亭(DMPT或DMSP)
3-苄氧基-1-丙醇3-苄氧基-1-丙醇
2-甲氧基-3-吡啶甲醛
4-氨基-2-羟基苯甲酸钠二水化合物
(1-甲基-4-吡唑)甲醇
2-氯-1-二甲氨基丙烷
2-氨基-4,6-二甲氧基苯甲酸
2-氯甲基-4-硝基苯酚
4-甲氧苯基2,6-二-O-苄基-β-D-吡喃半乳糖苷
2-Iodobenzoic acid chloride
3-苄氧基-1-丙醇3-苄氧基-1-丙醇
2-甲氧基-3-吡啶甲醛
4-氨基-2-羟基苯甲酸钠二水化合物
(1-甲基-4-吡唑)甲醇
2-氯-1-二甲氨基丙烷
2-氨基-4,6-二甲氧基苯甲酸
2-氯甲基-4-硝基苯酚
4-甲氧苯基2,6-二-O-苄基-β-D-吡喃半乳糖苷
2-Iodobenzoic acid chloride