High quality cis-1,4-Dichloro-2-butene CAS: 1476-11-5 95% >95% Building Block for Chemical Synthesis

cis-1,4-Dichloro-2-butene (CAS: 1476-11-5) is an organochlorine compound with the molecular formula C₄H₆Cl₂, appearing as a pale yellow transparent liquid at room temperature. Its melting point is-48 °C, with a boiling point of approximately 152–155 °C. The density is about 1.1–1.188 g/cm³, the refractive index ranges from 1.459 to 1.489, and the flash point is 54–56 °C. It is classified as a flammable and highly toxic chemical.

This substance is sensitive to light and moisture, insoluble in water but soluble in organic solvents such as ethanol, ether, acetone, and benzene. Due to its structure containing two chlorine atoms and a double bond, it serves as an important intermediate in organic synthesis.

security information

Risk Category: Highly Toxic (T+), Harmful to the Environment (N)

Hazard Declaration: Potentially carcinogenic (R45), highly toxic when inhaled (R26), causes severe burns (R34), poses long-term risks to aquatic organisms (R50/53)

Safety Recommendations: Operations must be performed in a fume hood, with the use of protective gloves, goggles, and respirators; store in a cool, dry place, protected from light and sealed.

Transportation Number: UN 3390, Packaging Category I, Hazard Class 8

This product is intended for industry and research only. For specific application inquiries, please contact our technical team.

Shandong Changyuan Chemical Co.Ltd. is mainly manufacturing and dealing in sales of fine chemical products. It was built in 2022 and mainly focuses on innovation, reseach and development. We have ccoperation with many customers at home and abroad. The company has a professional production base. The main products: Acryiic acid, vinyl acetate, methyl methacrylateetc. It has been popular around. We will strive for greater success with products, prices,services and quality. Quality is our culture.

Amid the wave of transformation in the chemical industry, Shandong Changyuan Chemical Co., Ltd. has consistently regarded quality and service as the twin pillars of its development. With a commitment to excellence and attentive, comprehensive services, the company has steadily advanced in the fiercely competitive market, earning the trust of its clients and recognition from the industry.

Quality is the lifeline of an enterprise—a principle that has become deeply ingrained at Shandong Changyuan Chemical. The company has established a comprehensive quality management system covering the entire process, from raw material procurement to finished product delivery, with stringent standards and rigorous controls at every stage. During the procurement phase, the purchasing team conducts multidimensional evaluations of suppliers, examining factors ranging from origin and composition to production processes, ensuring only high-standard materials enter production. In manufacturing, advanced equipment works in tandem with specialized technical personnel, with real-time monitoring systems deployed at each stage; any deviation from specifications triggers immediate alerts, enabling prompt adjustments by technicians. Additionally, the company conducts regular internal quality audits and invites industry experts for guidance to continuously refine its quality management system, guaranteeing consistent product reliability. Through its unwavering commitment to quality, the company has earned a strong market reputation and become the preferred choice for numerous clients.

Service serves as the bridge connecting enterprises with their customers, and Shandong Changyuan Chemical has spared no effort in delivering exceptional service. The company has established a professional customer service team equipped with solid chemical engineering expertise, strong communication skills, and a strong service orientation. Whether providing pre-sales product consultations, technical guidance during sales, or post-sales issue resolution, the team responds swiftly to offer comprehensive support. For tailored solutions addressing diverse customer needs, the company forms dedicated service teams that thoroughly understand clients' production processes and practical requirements. Additionally, regular customer follow-ups are conducted to gather feedback, enabling continuous improvement of products and services. It is this customer-centric service philosophy that has enabled Shandong Changyuan Chemical to build long-term, stable partnerships with its clients, with customer satisfaction steadily increasing.

Driven by both quality and service excellence, Shandong Changyuan Chemical has continued to grow and strengthen. Moving forward, the company will remain committed to maintaining its quality standards, enhance its service offerings, and deliver superior products and more attentive services to support the high-quality development of the chemical industry, working hand in hand

Q1: What is the purity of this product, and can you provide COA?

A1: Our product typically has a purity of ≥99.0%. We can provide a Certificate of Analysis (COA) for each batch, detailing the assay, moisture content, and other key parameters. Please refer to our attached file or contact us for a copy.

Q2: What is your Minimum Order Quantity (MOQ) and Lead Time?

A2: For this product, our MOQ is 1 ton. The lead time is approximately 15-20 days after order confirmation and payment. If you have a trial order, we can also offer smaller packaging.

Q3: What is the packaging option for this chemical?

A3: Standard packaging is 25 kg net in cardboard drums. We can also customize packaging according to your requirements.

Q4: What payment terms do you accept?

A4: We typically accept T/T (Telegraphic Transfer) and L/C at sight