4-Pentenoic acid, 4-methyl-, methyl ester-Shandong Huashang Chemical Co., Ltd.

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4-Pentenoic acid, 4-methyl-, methyl ester

Brand：HuaShang

Model：25kg/drum

Purity：99%

Cas：2258-59-5

Createtime： 2026-04-14
Updatetime： 2026-04-15

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Product Details

Boiling Point	252 °C
useage	Industrial use
deliveryInfo
appearance	White to off-white crystalline powder
Stability	Stable at room temperature; light sensitive; incompatible with strong oxidants, strong bases
Storage	Tightly sealed, cool dry place, protected from light
aliasen
supplyCapacity	50000Metric Ton/Month
Solubility	Insoluble in water; soluble in methanol, ethanol, ethyl acetate, dichloromethane, DMF, DMSO
harbor	Qingdao,China
minorder	1KG
Melting Point	64–68 °C

Assay (HPLC): ≥98.0%

Appearance: White to off-white crystalline powder

Loss on Drying: ≤0.5%

Residue on Ignition: ≤0.1%

Single Impurity: ≤0.2%

Total Impurity: ≤1.0%

Applications

3,5-Dichloropyridine is a di-substituted dichloropyridine heterocyclic intermediate.

It is active in nucleophilic substitution, Suzuki coupling, Buchwald amination and cyclization reactions.

Widely used as building block for pharmaceutical intermediates, antitumor, anti-inflammatory, antibacterial and central nervous system drugs; also applied in agrochemical fungicides, herbicides, organic optoelectronic materials and customized fine chemical synthesis.

Safety Information

Irritating to skin, eyes and respiratory tract. Skin contact may cause redness and itching; dust entering eyes causes stinging and conjunctival congestion, rinse immediately with plenty of running water. Inhalation of dust may cause throat discomfort and dry cough.

Harmful to aquatic organisms; do not discharge directly into water and soil.

Operate in fume hood, wear nitrile gloves, safety goggles and dust mask. Keep away from high temperature, open flame and strong oxidants. Store sealed, dry and protected from light. Dispose of waste according to hazardous chemical regulations.