Butachlor in Methanol (C09-0792-641)

Sample Preparation This standard substance is accurately prepared by using butachlor with accurate purity as the solute and chromatographic pure methanol as the solvent, using the weight-volume method.Butachlor, English name: Butachlor, CAS: 23184-66-9 Traceability and valuation method This standard material takes the prepared value as the standard value, and uses GC-MS to compare the batch of standard materials with the quality control control sample to verify the prepared value. Through the use of preparation methods, measurement methods and measuring instruments that meet the requirements of metrological characteristics, the traceability of the value of the reference material is guaranteed. Characteristic value and uncertainty NumberNameStandard value(μg/mL)Relative expanded uncertainty(%)(k=2)BWY272992  Butachlor in Methanol10003The uncertainty of the standard value is mainly composed of raw material purity, weighing, constant volume, uniformity, stability and other uncertainty components. Uniformity inspection and stability inspection According to the technical specifications of the national "Class 1 Standard Material", random sampling of the subpackaged samples is carried out to inspect the uniformity and stability of the solution concentration. The results show that the standard material has good uniformity and stability.The quality value of this standard material is valid for 24 months from the date of setting the value. The development unit will continue to track and monitor the stability of the standard material. If there is any change in the value within the validity period, the user will be notified in time. Packaging, transportation and storage, use and precautions 1. Packaging: This standard material is packaged in a borosilicate glass ampoule, about 1.2mL/piece. When pipetting or diluting, please refer to the pipette volume.2. Transportation and storage: transport in ice bags, avoid squeezing and collision during transportation; store under refrigerated and dark conditions.3. Use: Equilibrate at room temperature (20±3℃) before unsealing, and shake well. Once the ampoule is opened, it should be used immediately. It cannot be used as a standard substance after being sealed again. Specifications and Purity: 1000μg/mL in Methanol. MDL Number: MFCD00072426. Molecular Formula: C17H26ClNO2. Molecular Weight: 311.85. EC Number: 245-477-8. PubChem CID: 31677. Isomeric SMILES: CCCCOCN(C1=C(C=CC=C1CC)CC)C(=O)CCl. Beilstein Registry Number: 2873811. Related Document: https://ald-pub-files.oss-cn-shanghai.aliyuncs.com/aladdinsci/pdp/sds/1/BWY272992-SCI_a295ce4ae6976e54d0b478b16fb9d2cc.pdf.