{"id":91433,"date":"2026-05-02T06:40:45","date_gmt":"2026-05-02T06:40:45","guid":{"rendered":"https:\/\/safetyboot4u.co.za\/?post_type=product&#038;p=91433"},"modified":"2026-05-02T06:40:53","modified_gmt":"2026-05-02T06:40:53","slug":"formaldehyde-37-ar-2-5l","status":"publish","type":"product","link":"https:\/\/safetyboot4u.co.za\/?product=formaldehyde-37-ar-2-5l","title":{"rendered":"Formaldehyde 37 % AR 2.5L"},"content":{"rendered":"<p>Formaldehyde 37 % Analytical Reagent 2.5L<\/p>\n<p><strong>Lead Time: 2-5 Days<\/strong><\/p>\n<ul>\n<li>Formaldehyde 37 % Analytical Reagent 2.5L<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td>grade<\/td>\n<td>ACS reagent<\/td>\n<\/tr>\n<tr>\n<td>vapor density<\/td>\n<td>1.03 (vs air)<\/td>\n<\/tr>\n<tr>\n<td>vapor pressure<\/td>\n<td>52 mmHg ( 37 \ufffd\ufffdC)<\/td>\n<\/tr>\n<tr>\n<td>52 mmHg ( 37 \ufffd\ufffdC)<\/td>\n<\/tr>\n<tr>\n<td>assay<\/td>\n<td>36.5-38.0%<\/td>\n<\/tr>\n<tr>\n<td>autoignition temp.<\/td>\n<td>572 \ufffd\ufffdF<\/td>\n<\/tr>\n<tr>\n<td>contains<\/td>\n<td>10-15% Methanol as stabilizer (to prevent polymerization)<\/td>\n<\/tr>\n<tr>\n<td>concentration<\/td>\n<td>37 wt. % in H2O<\/td>\n<\/tr>\n<tr>\n<td>impurities<\/td>\n<td>\ufffd\ufffd\ufffd0.006 meq\/g Titr. acid<\/td>\n<\/tr>\n<tr>\n<td>ign. residue<\/td>\n<td>\ufffd\ufffd\ufffd0.005%<\/td>\n<\/tr>\n<tr>\n<td>color<\/td>\n<td>APHA: \ufffd\ufffd\ufffd10<\/td>\n<\/tr>\n<tr>\n<td>refractive index<\/td>\n<td><i>n<\/i>20\/D 1.3765<\/td>\n<\/tr>\n<tr>\n<td>density<\/td>\n<td>1.09 g\/mL at 25 \ufffd\ufffdC (lit.)<\/td>\n<\/tr>\n<tr>\n<td>anion traces<\/td>\n<td>chloride (Cl\ufffd\ufffd\ufffd): \ufffd\ufffd\ufffd5 ppm<\/td>\n<\/tr>\n<tr>\n<td>sulfate (SO42-): \ufffd\ufffd\ufffd0.002%<\/td>\n<\/tr>\n<tr>\n<td>cation traces<\/td>\n<td>Fe: \ufffd\ufffd\ufffd5 ppm<\/td>\n<\/tr>\n<tr>\n<td>heavy metals: \ufffd\ufffd\ufffd5 ppm (by ICP-OES)<\/td>\n<\/tr>\n<tr>\n<td>suitability<\/td>\n<td>suitable for manufacturing use (Laboratory chemicals)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Formaldehyde 37 % Analytical Reagent 2.5L<\/p>\n<p><strong>Lead Time: 2-5 Days<\/strong><\/p>\n<ul>\n<li>Formaldehyde 37 % Analytical Reagent 2.5L<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td>grade<\/td>\n<td>ACS reagent<\/td>\n<\/tr>\n<tr>\n<td>vapor density<\/td>\n<td>1.03 (vs air)<\/td>\n<\/tr>\n<tr>\n<td>vapor pressure<\/td>\n<td>52 mmHg ( 37 \ufffd\ufffdC)<\/td>\n<\/tr>\n<tr>\n<td>52 mmHg ( 37 \ufffd\ufffdC)<\/td>\n<\/tr>\n<tr>\n<td>assay<\/td>\n<td>36.5-38.0%<\/td>\n<\/tr>\n<tr>\n<td>autoignition temp.<\/td>\n<td>572 \ufffd\ufffdF<\/td>\n<\/tr>\n<tr>\n<td>contains<\/td>\n<td>10-15% Methanol as stabilizer (to prevent polymerization)<\/td>\n<\/tr>\n<tr>\n<td>concentration<\/td>\n<td>37 wt. % in H2O<\/td>\n<\/tr>\n<tr>\n<td>impurities<\/td>\n<td>\ufffd\ufffd\ufffd0.006 meq\/g Titr. acid<\/td>\n<\/tr>\n<tr>\n<td>ign. residue<\/td>\n<td>\ufffd\ufffd\ufffd0.005%<\/td>\n<\/tr>\n<tr>\n<td>color<\/td>\n<td>APHA: \ufffd\ufffd\ufffd10<\/td>\n<\/tr>\n<tr>\n<td>refractive index<\/td>\n<td><i>n<\/i>20\/D 1.3765<\/td>\n<\/tr>\n<tr>\n<td>density<\/td>\n<td>1.09 g\/mL at 25 \ufffd\ufffdC (lit.)<\/td>\n<\/tr>\n<tr>\n<td>anion traces<\/td>\n<td>chloride (Cl\ufffd\ufffd\ufffd): \ufffd\ufffd\ufffd5 ppm<\/td>\n<\/tr>\n<tr>\n<td>sulfate (SO42-): \ufffd\ufffd\ufffd0.002%<\/td>\n<\/tr>\n<tr>\n<td>cation traces<\/td>\n<td>Fe: \ufffd\ufffd\ufffd5 ppm<\/td>\n<\/tr>\n<tr>\n<td>heavy metals: \ufffd\ufffd\ufffd5 ppm (by ICP-OES)<\/td>\n<\/tr>\n<tr>\n<td>suitability<\/td>\n<td>suitable for manufacturing use (Laboratory chemicals)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":0,"template":"","meta":{"content-type":""},"product_brand":[],"product_cat":[28400],"product_tag":[51320],"class_list":{"0":"post-91433","1":"product","2":"type-product","3":"status-publish","5":"product_cat-laboratory-chemicals","6":"product_tag-formaldehyde-37-ar-2-5l","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=\/wp\/v2\/product\/91433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=91433"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=91433"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=91433"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=91433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}